123-75-1
四氢吡咯
+
87-42-3
6-氯嘌呤
→
~91%
1928-89-8
6-pyrrolidin-1-yl-7H-purine
81693-59-6
5-amino-4-(cyanoformimidoyl)-1H-imidazole
~85%
19769-32-5
Purine, 6-(methylsulfonyl)-
~73%
50-66-8
6-甲巯基嘌呤