1,2,4,4a-Tetrahydro-9-chlor-7-phenyl-5H(1,4)oxazino(4,3-a)(1,4)benzodiazepin-maleinat [German] 4H-(1,4)Oxazino(4,3-a)(1,4)benzodiazepine, 1,2,4a,5-tetrahydro-9-chloro-7-phenyl-, (Z)-2-butenedioate (1:1) 75017-25-3