37922-68-2 4H-2,3-Benzodiazepin-4-one, 3,5-dihydro-3-(2-(4-morpholinyl)ethyl)-1-phenyl-, (Z)-2-butenedioate LD-W 502bis-67 Phenyl-1 beta-morpholino-ethyl-3 5H-benzodiazepine-2,3-one-4 maleate acide [French]