| 摘要 |
Cardiac-active compounds of the formula <IMAGE> in which R1 is hydrogen, a hydroxyl group or a C2-C13-alkanoyloxy group, R2 is a hydroxyl group or a C2-C13-alkanoyloxy group and R3 is hydrogen, a hydroxyl group, a C2-C13-alkanoyloxy group or a benzyloxy group, and their acid addition salts and process for their preparation. |
