41931-96-8 BRN 0847329 Dibenzo(b,f)thiepin, 10,11-dihydro-8-(methylsulfinyl)-10-(1-piperazinyl)-, 5-oxide Piperazine, 1-(10,11-dihydro-8-(methylsulfinyl)-5-oxo-dibenzo(b,f)thiepin-10-yl)-