上游原料
2,2,6-Trimethyl-4H-1,3-dioxin-4-one；2,2,6-trimethyl-1,3-dioxin-4-one；2,2,6-trimethyl-m-Dioxin-4-one;3-(1-hydroxy-1-methylethoxy)-d-lactone CrotonicacidEthylene cyanohydrin; ECN; 3-Hydroxypropanenitrile2-cyanoethyl 3-oxobutanoate4-formyl-3-methoxybenzonitrile2-cyanoethyl (Z)-2-(4-cyano-2-methoxybenzylidene)-3-oxobutanoate4-amino-5-methylpyridin-2(1H)-one;4-amino-5-methyl-2-pyridone2-cyanoethyl 4-(4-cyano-2-methoxyphenyl)-2,8-dimethyl-5-oxo-1,4,5,6-tetrahydro-1,6-naphthyridine-3-carboxylateTriethyl orthoformate; 1-(Diethoxymethoxy)ethane; Diethoxymethyl ethyl ether2-cyanoethyl 4-(4-cyano-2-methoxyphenyl)-5-ethoxy-2,8-dimethyl-1,4-dihydro-1,6-naphthyridine-3-carboxylate4-(4-cyano-2-methoxyphenyl)-5-ethoxy-2,8-dimethyl-1,4-dihydro-1,6-naphthyridine-3-carboxylic acid4-(4-cyano-2-methoxyphenyl)-5-ethoxy-2,8-dimethyl-1,4-dihydro-1,6-naphthyridine-3-carboxamide4-hydroxy-3-methoxybenzaldehyde4-hydroxy-3-methoxybenzonitrile4-cyano-2-methoxyphenyl trifluoromethanesulfonatetert-butyl acrylatetert-butyl (Z)-3-(4-cyano-2-methoxyphenyl)acrylate4-formyl-3-methoxybenzonitrile
