94993-81-4
4-氨基-3-甲基-1H-吡唑-5-羧酸
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7057-22-9
7-氨基-3-甲基吡唑并[4,3-d]嘧啶
28668-07-7
ethyl 5-methyl-4-nitro-1H-pyrazole-3-carboxylate
5399-94-0
7-羟基-3-甲基吡唑并[4,3-d]嘧啶
5334-36-1
5334-38-3
3-甲基-4-硝基-1H-吡唑-5-羧酸
5399-95-1
7-chloro-3-methyl-2H-pyrazolo[4,3-d]pyrimidine