(2S)-2-[[4-(1,3-二氨基-7,8,9,10-四氢嘧啶并[6,5-c]异喹啉-8-基)苯甲酰基]氨基]戊烷二酸

4-[1-(2,4-diaminopteridin-6-yl)propan-2-yl]benzoic acid

4-[2-(2,4-diaminopyrido[3,2-d]pyrimidin-6-yl)ethyl]benzoic acid

2-(4-(羟基甲基)苯基)乙醇

4-(2-amino-2-oxoethyl)benzoic acid