Synonyms: AC1O65JS;LS-129643;(E)-but-2-enedioic acid; 5-(3,4-dimethylphenyl)-3-(4-methylpiperazin-1-yl)-6H-pyridazino[3,4-b][1,4]benzoxazepine;70301-68-7;Pyridazino(3,4-b)(1,4)benzoxazepine, 10,11-dihydro-2-(4-methyl-1-piperazinyl)-11-(3,4-xylyl)-, maleate