202892 -OEChem-02060822402D 0 0 0 0 0 0 0 0 0999 V2000 M END > 202892 > 3 > ChemIDplus > O03000000 > O03000000 > O03000000 Oral contraceptives, sequential Sequential oral contraceptives [Oestrogen-progestin combinations] > O03000000 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=O03000000 $$$$