((7-Oxo-7H-benz(de)anthracen-3-yl)thio)acetic acid 2-08-00-00241 (Beilstein Handbook Reference) 3-Benzanthronyl carboxymethyl sulfide 3-Carboxymethylbenzanthrone 69658-13-5 7H-Benz(de)anthracen-7-one, 3-(carboxymethylthio)- ACETIC ACID, ((7-OXO-7H-BENZ(de)ANTHRACEN-3-YL)THIO)- BRN 3407373 NSC 81276