New xanthine oxidase inhibitors from the class of pyrazolo[3,4-d]-pyrimidines and pyrazolo[3,4-b]pyridines. I. Mechanism of the action of allopurinol and its analogs A. I. KozachenkoYu. É. RashbaL. S. Vartanyan Molecular Biological Problems of the Creation of Drugs and Mechanism of their Action Pages: 417 - 422
New xanthine oxidase inhibitors from the classes of pyrazolo[3,4d]-pyrimidines and pyrazolo[3,4-b]pyridines. II. Comparative evaluation of effectiveness L. S. VartanyanYu. É. RashbaM. N. Preobrazhenskaya Molecular Biological Problems of the Creation of Drugs and Mechanism of their Action Pages: 422 - 426
Production of [57Co]bleomycetin and study of its kinetics in the bodies of intact animals and tumor-bearing animals V. M. PetrievDzh G. KhachirovR. M. Prusova Molecular Biological Problems of the Creation of Drugs and Mechanism of their Action Pages: 427 - 431
Penetration of sulfanilamides into foci of inflammation G. Ya. KivmanI. Ya. GeitmanB. E. Kardash Molecular Biological Problems of the Creation of Drugs and Mechanism of their Action Pages: 431 - 434
Biologically active heterocyclic quinones (review) Yu. S. TsizinS. A. Chernyak Search for New Drugs Pages: 435 - 445
Unsaturated lactones. LXXIII. Synthesis and antiviral activity of some substituted 2-buten-4-olides A. A. AvetisyanA. N. DzhandzhapanyanS. V. Zhavrid Search for New Drugs Pages: 446 - 450
Synthesis and biological activity of β-(N-cyclohexamethyleneamino)ethyl esters of dicarboxylic acids O. L. MndzhoyanN. A. GrigoryanDzh A. Gerasimyan Search for New Drugs Pages: 450 - 455
Synthesis and biological activity of some pyrrolyl derivatives of pyrazoloner-5 V. P. ZhestkovV. G. VoroninA. S. Zaks Search for New Drugs Pages: 455 - 460
Synthesis of biologically active derivatives of cyclopenteno[d]-selenazole and their thioanalogs A. A. TsurkanZ. F. GromovaD. A. Kulikova Search for New Drugs Pages: 460 - 463
Antiviral activity of boron chelates obtained from 2-aminopyridine N. A. LagutkinN. I. MitinB. M. Mikhailov Search for New Drugs Pages: 464 - 467
Synthesis of 4-substituted-3-ethoxycarbonyl(carboxy)-1,5-naphthyridines, and their properties and biological activity R. M. TitkovaA. S. ElinaL. M. Polukhina Search for New Drugs Pages: 468 - 470
Iodination of O,N,N-triacetylpseudosolasodine in certain protic and aprotic solvents G. G. MalaninaL. I. KlimovaG. S. Grinenko Methods of Synthesis and Production Technology of Drugs Pages: 471 - 474
Preparation of carbamates L. Sh. GorodetskiiO. N. VolzhinaE. N. Alekseeva Methods of Synthesis and Production Technology of Drugs Pages: 474 - 477
Transformation of sitosterol by various bacteria A. S. AmelinaYu. N. KorobovaO. V. Messinova Methods of Synthesis and Production Technology of Drugs Pages: 478 - 483
Mathematical model of the process for the preparation of methyluracil M. A. VekslerA. S. Vitvitskaya Methods of Synthesis and Production Technology of Drugs Pages: 483 - 485
Fractionation of crystalline insulin and study of the immunogenic properties of the individual fractions T. Yu. SmirnovaP. A. BabichV. V. Kandaryuk Methods of Synthesis and Production Technology of Drugs Pages: 485 - 488
A kinetic-dynamic analysis of the sorption of the pigment substances of amilosubtilin by anion-exchangers V. V. BelakhovN. N. Momot Methods of Synthesis and Production Technology of Drugs Pages: 489 - 492
Media for the determination of the microbial contamination of nonsterile medicinal agents Yu. F. KrylovG. Ya. KivmanS. S. Bikaeva Investigation of Structure of Chemical Compounds, Methods of Analysis, and Production Control Pages: 493 - 497
Quantitative determination of digitoxin by high-performance liquid chromatography D. M. PopovN. N. NikolaevV. A. Semenov Investigation of Structure of Chemical Compounds, Methods of Analysis, and Production Control Pages: 497 - 500