2308-18-1
乙酰乙酸异戊酯
+
71653-64-0
2-(二氟甲氧基)苯甲醛
57-13-6
尿素
→
~39%
114915-09-2
3-methylbutyl 4-[2-(difluoromethoxy)phenyl]-6-methyl-2-oxo-3,4-dihydro-1H-pyrimidine-5-carboxylate