202859 -OEChem-02060822402D 0 0 0 0 0 0 0 0 0999 V2000 M END > 202859 > 3 > ChemIDplus > N05100000 > N05100000 > N05100000 Norethynodrel and oestrogens [Oestrogen-progestin combinations] > N05100000 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=N05100000 $$$$