2-Methoxy-10-(4-methylpiperazino)-10,11-dihydrodibenzo(b,f)thiepin dimethanesulfonate 57536-76-2 Piperazine, 1-(10,11-dihydro-2-methoxydibenzo(b,f)thiepin-10-yl)-4-methyl-, dimethanesulfonate VUFB-12285