3818046 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3818046 > 2 > ChemIDplus > 159073297 > 159073-29-7 Nelfilcon A Nelfilcon A [USAN] Polymer of poly(vinyl alcohol) partially acetalized with N-(formylmethyl)acrylamide. > 159073-29-7 > 159073297 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=159073297 $$$$