1. Structural features of the specificity of serine proteases

   • V. K. Antonov
   • L. D. Rumsh

   OriginalPaper Pages: 555 - 565

2. Determination of the amount of mannitol in brown seaweeds

   • V. E. Vas'kovskii
   • S. V. Isai

   OriginalPaper Pages: 566 - 569

3. Hydroxystilbenes from the bark of Pinus sibirica

   • N. A. Tyukavkina
   • A. S. Gromova
   • V. K. Voronov

   OriginalPaper Pages: 570 - 572

4. The chemical processes accompanying the hydrogenation of fats III. Glyceride isomerization

   • A. I. Glushenkova
   • A. L. Markman

   OriginalPaper Pages: 573 - 576

5. Natural meranzin hydrate — A new component of the roots of Prangos ferulacea

   • A. Z. Abyshev
   • P. P. Denisenko
   • Yu. N. Sheinker

   OriginalPaper Pages: 577 - 580

6. The preparative chromatographic separation of some components of the essential oil of the larch

   • R. D. Kolesnikova
   • V. G. Latysh
   • L. V. Krasnoboyarova

   OriginalPaper Pages: 581 - 583

7. Steroid saponins III. Glycosides A and B from Yucca filamentosa

   • P. K. Kintya
   • I. P. Dragalin
   • V. Ya. Chirva

   OriginalPaper Pages: 584 - 586

8. The structure of the saponins of Phaselous vulgaris

   • L. G. Kretsu
   • P. K. Kintya
   • V. Ya. Chirva

   OriginalPaper Pages: 587 - 589

9. Purification of the combined diglycosides of the roots of Apocynum androsaeimifolium by adsorption chromatography

   • M. S. Khagi
   • M. R. I. Shamsutdinov
   • T. T. Shakirov

   OriginalPaper Pages: 590 - 591

10. Alkaloids of Hypecoum erectum structure of hypecorine and hypecorinine

    • L. D. Yakhontova
    • M. N. Komarova
    • O. N. Tolkachev

    OriginalPaper Pages: 592 - 595

11. A study of the structure of albertine

    • S. Iskandarov
    • D. D. Kamalitdinov
    • S. Yu. Yunusov

    OriginalPaper Pages: 596 - 598

12. N-oxides of thalicmidine and preocoteine from the roots of Thalictrum minus

    • V. G. Khozhdaev
    • S. Kh. Maekh
    • S. Yu. Yunusov

    OriginalPaper Pages: 599 - 601

13. Mass spectra of pyrrolizidine alkaloids of the heliotridane series

    • U. A. Abdullaev
    • Ya. V. Rashkes
    • S. Yu. Yunusov

    OriginalPaper Pages: 602 - 605

14. NMR spectrum of germerine

    • R. Shakirov
    • M. R. Yagudaev
    • S. Yu. Yunusov

    OriginalPaper Pages: 606 - 607

15. Gas-liquid chromatography and mass spectrometry of acetates of aldononitriles of partially methylated xylopyranose and arabinopyranose

    • Yu. N. El'kin
    • B. V. Rozynov
    • A. K. Dzizenko

    Brief Communications Pages: 608 - 609

16. Scopoletin from Artemisia gmelini

    • V. I. Velikanova
    • T. P. Berezovskaya

    Brief Communications Pages: 610 - 610

17. A new coumarin from the roots of Ferula pseudooreoselinum

    • N. P. Kir'yalov
    • T. V. Bukreeva

    Brief Communications Pages: 611 - 612

18. Coumarin from Artemisia obtusiloba and A. martjanovii

    • R. V. Usynina
    • V. V. Dudko
    • T. V. Yanchilenko

    Brief Communications Pages: 613 - 613

19. Flavonoids of Turgenia latifolia

    • N. Sh. Kattaev
    • G. K. Nikonov

    Brief Communications Pages: 614 - 614

20. Flavonoids of Stachys annua

    • I. P. Sheremet
    • N. F. Komissarenko

    Brief Communications Pages: 615 - 616

21. Flavonoids of the glumes of Gleditschia australis

    • N. T. Bik Hai
    • G. S. Glyzina
    • L. M. Kogan

    Brief Communications Pages: 617 - 617

22. Flavonoids of Thermopsis alterniflora

    • N. Sh. Kattaev
    • G. K. Nikonov

    Brief Communications Pages: 618 - 618

23. Astragalin from Oxytropis lanata

    • V. A. Iriste
    • K. F. Blinova

    Brief Communications Pages: 619 - 619

24. Flavonoid aglycones of the inflorescences of Helichrysum arenarium

    • A. P. Prokopenko
    • V. N. Spiridonov
    • V. T. Chernobai

    Brief Communications Pages: 620 - 620

25. Isolation of rutin from the epigeal part of an interspecies Scopolia hybrid

    • E. A. Marchenko
    • S. A. Minina

    Brief Communications Pages: 621 - 621

26. The essential oil of Petasites georgicus

    • R. Ya. Toropkina
    • V. V. Orlovskii
    • S. A. Minina

    Brief Communications Pages: 622 - 622

27. Sesquiterpene lactones from Ferula olgae

    • O. A. Konovalova
    • A. I. Ban'kovskii
    • M. G. Pimenov

    Brief Communications Pages: 623 - 624

28. Leucomisin from Achillea cartilaginea

    • I. D. Neshta
    • N. A. Kaloshina

    Brief Communications Pages: 625 - 625

29. Formation of norditerpenoids in the autooxidation of diterpene aldehydes

    • N. V. Avdyukova
    • V. A. Raldugin
    • V. A. Pentegova

    Brief Communications Pages: 626 - 627

30. The structure of theasaponin

    • I. N. Sokol'skii
    • É. P. Zinkevich
    • M. M. Molodozhnikov

    Brief Communications Pages: 628 - 629

31. Pictumine — A new alkaloid from Cynoglossum pictum

    • I. V. Man'ko
    • L. G. Marchenko

    Brief Communications Pages: 630 - 630

32. Seneciphylline from Senecio propinquus

    • D. S. Khalilov
    • I. A. Damirov
    • M. V. Telezhenetskaya

    Brief Communications Pages: 631 - 631

33. Mass and NMR spectra of hemiprangosine and N-dimethylprangosine

    • Kh. S. Mukhamedova

    Brief Communications Pages: 632 - 632

34. The isolation of foetidine

    • I. N. Zatorskaya
    • R. Alimov
    • T. T. Shakirov

    Brief Communications Pages: 633 - 633

35. A study of Sophora japonica for its alkaloid content

    • B. A. Abdusalamov
    • Kh. A. Aslanov
    • O. A. Khoroshkova

    Brief Communications Pages: 634 - 634

36. Determination of the N-terminal amino acid of cottonseed malate dehydrogenase

    • K. Davranov
    • M. A. Kuchenkova
    • P. Kh. Yuldashev

    Brief Communications Pages: 635 - 635

37. A study of the individual peptides of a pepsin hydrolyzate of pepsin

    • V. I. Vasenev
    • Yu. S. Kuznetsov
    • V. M. Stepanov

    Brief Communications Pages: 636 - 636

38. Determination of the C-terminal amino acid of cottonseed malate dehydrogenase

    • K. Davranov
    • M. A. Kuchenkova
    • P. Kh. Yuldashev

    Brief Communications Pages: 637 - 637

39. A study of the polyphenol compounds of Astragalus species of the flora of the northern Caucasus and Uzbekistan I

    • N. A. Tsepkova
    • A. N. Svechnikova
    • Kh. Kh. Khalmatov

    Brief Communications Pages: 638 - 638

40. An x-ray investigation of a crystal of methyl meristotropate

    • A. N. Shnulin
    • G. S. Amirova
    • N. M. Mustafaev

    Brief Communications Pages: 639 - 639

41. Cyclitols from Campanula cephalotes

    • L. S. Teslov
    • K. F. Blinova

    Brief Communications Pages: 640 - 641

42. Phospholipids of cotton seeds

    • Kh. S. Mukhamedova
    • S. T. Akramov

    Brief Communications Pages: 642 - 643

43. The oil of the seeds of Inula grandis

    • L. P. Nikonova
    • A. U. Umarov

    Brief Communications Pages: 644 - 645

44. Eudesmin — A lignane from Haplophyllum acutifolium and H. perforatum

    • D. M. Razzakova
    • I. A. Bessonova
    • S. Yu. Yunusov

    Brief Communications Pages: 646 - 647

45. Shikonin from Onosma polyphyllum

    • L. R. Shcherbanovskii

    Brief Communications Pages: 648 - 648

46. The structure of a new coumarin from Haplophyllum pedicellatum

    • G. A. Kuznetsova
    • N. F. Gashimov

    Brief Communications Pages: 649 - 649

47. Coumarins of Artemisia scotina

    • M. I. Yusupov
    • G. P. Sidyakin

    Brief Communications Pages: 650 - 650

48. A chemical study of the roots of Seseli unicaula

    • A. A. Savina
    • V. V. Bandyshev
    • M. G. Pimenov

    Brief Communications Pages: 651 - 651

49. Coumarins of Bidens tripartita

    • A. G. Serbin
    • G. A. Zhukov
    • M. I. Borisov

    Brief Communications Pages: 652 - 652

50. Conferone — A new terpenoid coumarin from the fruit of Ferula conocaula

    • V. V. Vandyshev
    • Yu. E. Sklyar
    • M. G. Pimenov

    Brief Communications Pages: 653 - 653