上游原料
CyclohexanoneCyanoacetic acid ethyl ester; Ethyl 2-cyanoacetate; Ethyl cyanoacetate; Ethyl isocyanacetate3',5'-Dicyano-2',4'-dioxospiro[cyclohexane-1,4'-piperidide] ammonium salt2-[1-(2-hydroxy-2-oxoethyl)cyclohexyl]acetic acid3-oxaspiro[5.5]undecane-2,4-dione2-[1-(2-methoxy-2-oxoethyl)cyclohexyl]acetic acidmethyl 2-[1-(isocyanatomethyl)cyclohexyl]acetate2-[1-(aminomethyl)cyclohexyl]acetic acidCyclohexanoneCyanoacetic acid ethyl ester; Ethyl 2-cyanoacetate; Ethyl cyanoacetate; Ethyl isocyanacetate3',5'-Dicyano-2',4'-dioxospiro[cyclohexane-1,4'-piperidide] ammonium salt2-[1-(2-hydroxy-2-oxoethyl)cyclohexyl]acetic acid3-oxaspiro[5.5]undecane-2,4-dione2-[1-(aminomethyl)cyclohexyl]acetic acid3-hydroxy-3-azaspiro[5.5]undecane-2,4-dione3-[(phenylsulfonyl)oxy]-3-azaspiro[5.5]undecane-2,4-dionemethyl 2-(1-[[(methoxycarbonyl)amino]methyl]cyclohexyl)acetate
