| 摘要 |
Compounds of the formula …<CHEM>… wherein R is hydrogen or lower alkyl, R2 is hydrogen, methyl or fluoro; and R2 min is fluoro or trifluoromethyl; with the proviso that when R2 min is trifluoromethyl, R2 is hydrogen or methyl; pharmaceutically acceptable salts, optical antipodes and racemates thereof are useful as blood platelet anti-aggregating agents. |
