146196-27-2
→
~82%
119-44-8
酵母粉
2757-91-7
2-amino-4,6-dioxo-4a,5-dihydropteridine-7-carboxylic acid
49653-17-0
ETHYL 2-ETHOXY-2-HYDROXYACETATE
492-11-5
无色喋呤
146196-26-1
146196-25-0
1131-35-7
2-氨基-1,5,7,8-四氢-4,6-蝶啶二酮