| 摘要 |
Benzo(h)cinnolin-3-ones of formula (I) are new: where X and Y are each H, halogen, trifluoromethyl, hydroxy, 1-4C alkyl, 1-4C alkoxy, amino, 2-4C alkanoylamino, 2-4C alkanoyl, nitro or cyano; Ar is phenyl or pyridyl opt. substd. by one or more halogen, hydroxy, 1-4C alkyl, trifluoromethyl, 1-4C alkoxy, amino, 2-4C alkanoylamino, nitro or cyano gps.; the dotted line is a single or a double bond.
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