Synonyms: Piperazine,1-(8-chloro-10,11-dihydro-5-oxidodibenzo[b,f]thiepin-10-yl)-4-methyl-, 4-oxide,dihydrochloride (9CI); Piperazine,1-(8-chloro-10,11-dihydrodibenzo[b,f]thiepin-10-yl)-4-methyl-, S,4-dioxide,dihydrochloride (8CI); Dibenzo[b,f]thiepin, piperazine deriv.