6-chloro-3,4-dihydro-3-(2-hydroxypropyl)-4-phenyl-4-trichloromethyl-2(1H)-quinazolinone

5-methyl-2-phenyl-4,5-dihydro-1,3-oxazole

4-(2-hydroxypropylimino)pentan-2-one

N-羟基乙基乙酰乙酰胺

5-methyl-4,5-dihydro-1,3-oxazole