上游原料
Ethyl 3-oxo-3-phenylpropanoate; Benzoylacetic acid, ethyl esterButanoyl chloride; Butyryl chlorideMeldrum's acid; 2,2-dimethyl-1,3-dioxane-4,6-dione；Malonic acid cyclic isopropylidene esterpropionaldehyde2,3,5,6-Tetrachloro-1,4-benzoquinone; 2,3,5,6-Tetrachlorobenzo-1,4-quinone; p-Chloranil5-butyryl-2,2-dimethyl-1,3-dioxane-4,6-dione1-ethanethiol; ethylhydrosulfideS-ethyl 3-oxohexanethioateethyl (E)-3-amino-3-phenyl-2-propenoateethyl 4-ethyl-5-[(ethylsulfanyl)carbonyl]-2-phenyl-6-propyl-1,4-dihydro-3-pyridinecarboxylate
