3746931 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3746931 > 2 > ChemIDplus > 060840553 > 60840-55-3 Cellulose, acetate, dibutanoate; Porofocon A Porofocon A [USAN] Porofocon B Porofocon B [USAN] > 60840-55-3 > 060840553 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=060840553 $$$$