2-Chloro-11-(4'-methyl)piperazino-dibenzo(b,f)(1,4)thiazepine hydrochloride 4956-31-4 DIBENZO(b,f)(1,4)THIAZEPINE, 2-CHLORO-11-(4-METHYL-1-PIPERAZINYL)-, HYDROCHLORID Dibenzo(b,f)(1,4)thiazepine, 2-chloro-11-(4-methyl-1-piperazinyl)-, hydrochloride HF-2159 hydrochloride