1-Methylethyl (6,11-dihydrodibenzo(b,e)thiepin-11-yl)carbamate 74797-19-6 BRN 4516853 Carbamic acid, (6,11-dihydrodibenzo(b,e)thiepin-11-yl)-, 1-methylethyl ester Isopropyl (6,11-dihydrodibenzo(b,e)thiepin-11-yl)carbamate VUFB-12446