1-Piperazinamine, 4-(10,11-dihydrodibenzo(b,f)thiepin-10-yl)-N-(phenylmethylene)- 4-(10,11-Dihydrodibenzo(b,f)thiepin-10-yl)-N-(phenylmethylene)-1-piperazinamine 86758-88-5 BRN 4581084