N-[4-[2-(2,4-Diaminopyrido[3,2-d]pyrimidin-6-yl)ethyl]benzoyl]-L-glutamic acid

(2S)-2-[[4-[2-(2,4-diamino-3,5,10-triazabicyclo[4.4.0]deca-2,4,7,9,11- pentaen-9-yl)ethyl]benzoyl]amino]pentanedioic acid