4-<2-(2,4-diamino-6,7-dihydro-5H-cyclopentapyrimidin-5-yl)ethoxy>benzoic acid

diethyl N-<4-<2-(2,4-diamino-6,7-dihydro-5H-cyclopentapyrimidin-5-yl)ethoxy>benzoyl>-L-glutamate