Synonyms: LD-W 502bis-67;Phenyl-1 beta-morpholino-ethyl-3 5H-benzodiazepine-2,3-one-4 maleate acide [French];4H-2,3-Benzodiazepin-4-one, 3,5-dihydro-3-(2-(4-morpholinyl)ethyl)-1-phenyl-, (Z)-2-butenedioate;AC1O62YZ;LS-34309;Phenyl-1 beta-morpholino-ethyl-3 5H-benzodiazepine-2,3-one-4 maleate acide;(E)-but-2-enedioic acid; 3-(2-morpholin-4-ylethyl)-1-phenyl-5H-2,3-benzodiazepin-4-one;37922-68-2