34859-37-5
2-ethoxymethyleneamino-3-cyanopyrazine
→
~87%
6973-01-9
pteridin-4-amine
34859-38-6
2-Cyano-3-[(dimethylaminomethylene)amino]pyrazine
~59%
91-18-9
喋啶
~48%
72700-48-2
4-氯蝶啶
76952-40-4
4-aminopteridine 3-oxide
25911-65-3
3-氨基吡嗪-2-甲腈
5424-01-1
3-氨基吡嗪-2-羧酸