1-(10,11-Dihydro-8-(methylthio)dibenzo(b,f)thiepin-10-yl)-4-methylpiperazine-4-oxide 102233-03-4 BRN 0899556 Piperazine, 1-(10,11-dihydro-8-(methylthio)dibenzo(b,f)thiepin-10-yl)-4-methyl-, 4-N-oxide