110129-25-4 BRN 4572968 Dibenzo(c,e)thiepin-5,7-dicarboxamide, 5,7-dihydro-N,N,N',N'-tetramethyl-, 6,6-dioxide N,N,N',N'-Tetramethyl-6,6-dioxido-5,7-dihydrodibenzo(c,e)thiepin-5,7-dicarboxamide