Synonyms: Spiro(piperidine-4,6'-dibenz(b,e)-1,4-oxathiepin) hydrogen maleate;Spiro(11H-dibenz(b,e)(1,4)oxathiepin-11,4'-piperidine), (Z)-2-butenedioate (1:1);AC1O66MG;LS-146091;(Z)-but-2-enedioic acid; spiro[benzo[c][1,5]benzoxathiepine-6,4'-piperidine];98796-34-0