3819430 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3819430 > 2 > ChemIDplus > 188063801 > 188063-80-1 2-Hydroxyethyl methacrylate polymer with 1-vinyl-2-pyrrolidinone, allyl methacrylate and ethylene dimethacrylate. Hilafilcon A Hilafilcon A [USAN] Hilafilcon B Hilafilcon B [USAN] > 188063-80-1 > 188063801 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=188063801 $$$$