1076-22-8
3,7-二氢-3-甲基-1H-嘌呤-2,6-二酮
→
~90%
93703-24-3
8-溴-3-甲基-3,7-二氢-嘌呤-2,6-二酮
93703-23-2
3-methyl-8-nitro-7H-purine-2,6-dione
~85%