| 摘要 |
A method of safely lowering platelet count in a human which comprises the administration to a human in need thereof of an effective amount of a compound of formula (I), wherein R1 and R3 are, independently, -H, -CH3, -CO(C1-C6alkyl), or -COAr, where Ar is optionally substituted phenyl; R3 is selected from the group consisting of pyrrolidine, piperidine, and hexamethyleneimino; or a pharmaceutically acceptable salt or solvate thereof.
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