1. Chemical modification as a method of studying the functional groups of carboxylic proteinases

   • E. N. Lysogorskaya
   • V. M. Stepanov

   OriginalPaper Pages: 413 - 427

2. Method for determining the positions of sulfate groups in sulfated carbohydrates

   • A. F. Pavlenko
   • N. I. Belogortseva
   • Yu. S. Ovodov

   OriginalPaper Pages: 427 - 431

3. Structure of the xylan of the stems ofBrassica napus

   • M. S. Dudkin
   • M. A. Parfent'eva
   • N. G. Shkantova

   OriginalPaper Pages: 432 - 434

4. Composition of the coats and kernels of the seeds ofNepeta pannonica andLavandula vera

   • G. A. Stepanenko
   • S. D. Gusakova
   • A. U. Umarov

   OriginalPaper Pages: 434 - 439

5. Structure and stereochemistry of galbanic acid

   • V. Yu. Bagirov
   • V. I. Sheichenko
   • I. A. Kir'yanova

   OriginalPaper Pages: 439 - 441

6. Investigations in the xanthine series and among its condensed derivatives

   • B. A. Priimenko
   • N. I. Romanenko
   • A. K. Sheinkman

   OriginalPaper Pages: 442 - 445

7. Synthesis and some transformations based on 8-chloro-3-methylxanthine

   • B. A. Priimenko
   • N. I. Romanenko
   • A. K. Sheinkman

   OriginalPaper Pages: 445 - 447

8. Stereochemistry of guaianolides ofFerula oopoda

   • S. V. Serkerov

   OriginalPaper Pages: 448 - 451

9. Sesquiterpene lactones ofTanacetum santolina

   • B. Kh. Abduazimov
   • A. I. Yunusov
   • G. P. Sidyakin

   OriginalPaper Pages: 452 - 454

10. Mass spectra of artabin, hanphyllin, and solonitolide

    • U. A. Abdullaev
    • Ya. V. Rashkes
    • Sh. Z. Kasymov

    OriginalPaper Pages: 454 - 460

11. Color reactions of hederagenin and its glycosides

    • L. I. Berezhevskaya
    • Zh. I. Ul'kina
    • L. I. Glebko

    OriginalPaper Pages: 461 - 464

12. Mechanism of the reaction of triterpenoids with sulfuric acid

    • É. T. Oganesyan

    OriginalPaper Pages: 464 - 468

13. Use of steroid glycosides for the affinity chromatography of cholesterol

    • I. V. Berezin
    • I. P. Andrianova
    • N. E. Mashchenko

    OriginalPaper Pages: 468 - 471

14. Water-soluble sterol derivatives

    • D. V. Ioffe
    • A. N. Klimov
    • V. B. Nekrasova

    OriginalPaper Pages: 472 - 474

15. Preparation of tritium-labeled biogenic amines and their analogs

    • V. P. Shevchenko
    • N. F. Myasoedov

    OriginalPaper Pages: 474 - 478

16. Alkaloids ofDelphinium iliense

    • M. G. Zhamierashvili
    • V. A. Tel'nov
    • S. Yu. Yunusov

    OriginalPaper Pages: 479 - 480

17. Structure of aconifine

    • M. N. Sultankhodzhaev
    • L. V. Beshitaishvili
    • S. Yu. Yunusov

    OriginalPaper Pages: 481 - 486

18. Alkaloids ofConvolvulus subhirsutus

    • E. G. Sharova
    • S. F. Aripova
    • S. Yu. Yunusov

    OriginalPaper Pages: 487 - 490

19. Fractional and amino acid compositions of the proteins of the needles ofPinus sylvestris

    • A. P. Kargapol'tsev
    • S. M. Repyakh

    OriginalPaper Pages: 490 - 492

20. Use of broadened¹³C NMR signals in complexes of nucleosides with Mn(II) to evaluate the conformational equilibrium of the ribose ring

    • É. L. Kupche

    OriginalPaper Pages: 493 - 494

21. Synthesis of formamidines from 2-amino-3-methylquinazolin-4-one and its 6-nitro derivative

    • L. M. Yun
    • S. A. Makhmudov
    • S. S. Kasymova

    OriginalPaper Pages: 495 - 498

22. An investigation of the venom of Renard's viperVipera ursini renardi. IV. The hemolytic action of the phospholipases A₂

    • G. E. Lubimtseva
    • É. Abibova
    • L. Ya. Yukel'son

    OriginalPaper Pages: 498 - 500

23. ¹³C NMR spectra of the aminoglycoside antibiotic neomycin B, monomycin A, and kanamycin A. Complete assignment of the signals

    • A. I. Chernyshev
    • V. S. Kartashov
    • S. M. Nevashin

    OriginalPaper Pages: 500 - 507

24. ¹³C NMR spectra of the aminoglycoside antibiotics streptomycin and dihydrostreptomycin. Complete assignment of the signals

    • A. I. Chernyshev
    • V. S. Kartashov
    • P. L. Senov

    OriginalPaper Pages: 508 - 512

25. A comparison of the antioxidant properties of some natural antioxidants and lignin

    • É. I. Chupka
    • V. V. Vershal'
    • V. N. Gvozdev

    OriginalPaper Pages: 513 - 516

26. Aminomethylation of dioxane lignins of healthy and wilt-diseased cotton plants of the variety Tashkent-1

    • B. Kh. Pulatov
    • Kh. A. Abduazimov

    OriginalPaper Pages: 516 - 518

27. Synthesis of [D-phe³ (NH₂); Pro³; D-Ala⁶]- and [D-Phe² (NO₂); Pro³; D-Ala⁶]luliberins

    • S. V. Burov
    • O. A. Kaurov
    • M. P. Smirnova

    OriginalPaper Pages: 518 - 524