3735242 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3735242 > 2 > ChemIDplus > 019622538 > 19622-53-8 4-Amino pteroylalanine > 19622-53-8 > 019622538 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=019622538 $$$$