Diethyl 8-Deaza-10-thiaaminopterin

2,4-Dioxo-6-methylpyrido[3,2-d]pyrimidine 5-Oxide

2,4-二氯-吡啶并(3,2-d)嘧啶-6-甲醇乙酸酯(酯)

{2,4-二羟基吡啶并[3,2-d]嘧啶-6-基}甲基乙酸酯

(2,4-diaminopyrido[3,2-d]pyrimidin-6-yl)methanol