FIELD: medicine.
SUBSTANCE: there are described salts of 3-O-(3',3'-dimethylsuccinyl) betulinic acid (DSB). Particularly, there is disclosed production process, pharmaceutical estimation and bioavailability estimation in vivo of N-methyl-D-glucamine salt and alkali salt. The pharmaceutical compositions containing these salt forms are used in methods of treating HIV infection and related diseases. There is also described method for preparing DBS salts.
EFFECT: improved clinical effectiveness.
12 cl, 5 ex, 5 tbl
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