2-(10-oxo-10,11-dihydrodibenzo[b,f]thiepin-2-yl)propanoic acid-13CD3;2-(10-oxo-10,11-dihydrodibenzo[b,f]thiepin-2-yl)propanoic acid-13CD3;2-(10,11-Dihydro-10-oxodibenzo[b,f]thiepin-2-yl)propionic Acid-13CD3;(+-)-2-(10,11-Dihydro-10-oxodibenzo(b,f)thiepin-2-yl)propionic acid-13CD3;10,11-Dihydro-alpha-methyl-10-oxodibenzo(b,f)thiepin-2-acetic acid-13CD3;Dibenzo(b,f)thiepin-2-acetic acid, 10,11-dihydro-alpha-methyl-10-oxo--13CD3;2-(6-oxo-5H-benzo[b][1]benzothiepin-3-yl)propanoic acid-13CD3;2-(6-oxidanylidene-5H-benzo[b][1]benzothiepin-3-yl)propanoic acid-13CD3