摘要 |
The compound of formula (I), wherein R<1> is straight chain alkyl, branched chain alkyl, cycloalkyl, hydroxyalkyl, fluoroalkyl, or polyfluoroalkyl; and one of R<2>, R<3> and R<4> is hydroxyl and the other two are, independently, H, CN, halogen, alkyl or hydroxyl; or a pharmaceutically acceptable salt thereof, is useful as a smooth muscle relaxant.
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申请人 |
AMERICAN HOME PRODUCTS CORPORATION |
发明人 |
QUAGLIATO, DOMINICK, ANTHONY;MATELAN, EDWARD, MARTIN;ANTANE, MADELENE, MIYOKO |