(para-Methoxyphenyl)-1 morpholinoethyl-3 5H-benzodiazepine-2,3 one-4 maleate [French] 35030-42-3 4H-2,3-Benzodiazepin-4-one, 3,5-dihydro-1-(4-methoxyphenyl)-3-(2-(4-morpholinyl)ethyl)-, (Z)-2-butenedioate LD-W 508-69