21699-86-5 4-(2,3,4,5-Tetrahydro-1-benzothiepin-5-yl)morpholine maleate 5-Morpholino-2,3,4,5-tetrahydro-1-benzothiepine hydrogen maleate Morpholine, 4-(2,3,4,5-tetrahydro-1-benzothiepin-5-yl)-, maleate (1:1)