6-(3-Dimethylaminopropyl)-6H-dibenz(b,e)-1,4-oxathiepin hydrogen maleate 6H-Dibenz(b,e)(1,4)oxathiepin-6-propanamine, N,N-dimethyl-, (Z)-2-butenedioate (1:1) HQ3925000 N,N-Dimethyl-6H-dibenz(b,e)(1,4)oxathiepin-6-propanamine maleate