3745913 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3745913 > 2 > ChemIDplus > 058167741 > 2-Propenoic acid, 2-methyl-, 2-hydroxyethyl ester, polymer with pentyl 2-methyl-2-propenoate, ethenyl acetate, ethenyl propanoate, and 3-hydroxy-2-maphthalenyl 2-methyl-2-propenoate; 58167-74-1 Mafilcon A Mafilcon A [USAN] > 58167-74-1 > 058167741 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=058167741 $$$$