3741853 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3741853 > 2 > ChemIDplus > 042782525 > 42782-52-5 7-Chloro-7,8-didemethyl-8-ethylriboflavin 7-Chloro-8-ethyl-10-(1'-D-ribityl)isoalloxazine 7-Chloro-8-ethylriboflavin Riboflavin, 7-chloro-7,8-didemethyl-8-ethyl- > 42782-52-5 > 042782525 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=042782525 $$$$