3750593 -OEChem-02060822572D 0 0 0 0 0 0 0 0 0999 V2000 M END > 3750593 > 2 > ChemIDplus > 066143406 > 66143-40-6 Cyclic (D-alanyl-L-prolylglycyl-L-prolylglycyl) Cyclo(gly-pro-gly-D-ala-pro) Cyclo(glycyl-prolyl-glycyl-alanyl-prolyl) > 66143-40-6 > 066143406 > http://chem.sis.nlm.nih.gov/chemidplus/ > http://chem.sis.nlm.nih.gov/chemidplus/direct.jsp?result=advanced®no=066143406 $$$$