for the following products
(S)-Diethyl 2-(4-(2-(2-amino-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)pentanedioate 4-methylbenzenesulfonate | N-4-2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo-2,3-dpyrimidin-5-yl)ethylbenzoyll-glutamic acid and N-[4-[2-(2-Amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoyl]l-glutamic acid, 1,5-diethyl ester, 4-methylbenzenesulfonate (1:1)
