3-(6H,11H-Dibenzo(b,e)thiepin-2-yl)propionic acid 43040-60-4 6,11-Dihydrodibenzo(b,e)thiepin-2-propanoic acid BRN 1389198 DIBENZO(b,e)THIEPIN-2-PROPANOIC ACID, 6,11-DIHYDRO-