2-Chloro-11-(1-methyl-4-piperidyl)-11H-dibenz(b,f)-1,4-oxathiepin hydrogen maleate 82387-18-6 Piperidine, 4-(2-chloro-11H-dibenz(b,f)(1,4)oxathiepin-11-yl)-1-methyl-, (Z)-2-butenedioate (1:1)