2-氨基-4,7-二羟基-6-甲基蝶啶

7-methoxy-6-methyl-2,4-pteridinediamine

2-amino-7-ethoxy-6-methyl-4(3H)-pteridinone

2,4-二氨基-6-甲基-7-羟基蝶啶

ethyl 3-amino-5-chloro-6-methylpyrazine-2-carboxylate

丙酮酸甲酯

丁炔二酸二甲酯

2-氨基-6-甲基-4(3H)-蝶啶酮

草酰乙酸二乙酯

3-氨基-5-氯-6-甲基-2-吡嗪甲腈

((3aR,4R,6R,6aR)-6-(4-benzamido-2-oxopyrimidin-1(2H)-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methyl 4-methylbenzoate

6-羟基-2,4,5-三氨基嘧啶