18493-80-6
→
~82%
5442-52-4
5-butyl-1H-pyrimidine-2,4-dione
14383-32-5
5-butyl-2,6-dioxo-1,2,3,6-tetrahydro-pyrimidine-4-carboxylic acid
22389-94-2
1953-33-9
5-丁基-1h,3h,5h-嘧啶-2,4,6-三酮