3816583 -OEChem-02060822582D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3816583 > 2 > ChemIDplus > 149058991 > 149058-99-1 721P Protein Antigen 721P (human clone Plac-3 61-kilodalton reduced) > 149058-99-1 > 149058991 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=149058991 $$$$