Synonyms: Compound 26-921;59275-17-1;9,10-Dihydro-10-methyl-4-(1-methyl-4-piperidyliden) -4-H-benzo(4,5)cyclohepta(1,2-b)thiophenhydrogen maleate;Piperidine, 4-(9,10-dihydro-10-methyl-4H-benzo(4,5)cyclohepta(1,2-b)thien-4-ylidene)-1-methyl-, (Z)-2-butenedioate (1:1)