上游原料
Oxirane; Ethylene oxideEthyl 2-bromoacetate; Ethyl bromoacetateAcetone cyanohydrin; 2-Hydroxy-2-methylpropanenitrile; 2-Hydroxy-2-methylpropionitrile; 2-Hydroxyisobutyronitrile; 2-Methyllactonitrile; alpha-Hydroxyisobutyronitrile2-Hydroxybenzaldehyde;Salicylic aldehyde;2-Formylphenol;salicylaldehyde1-(aminooxy)benzene; O-phenylhydroxylamine4-piperidinoneethyl 1-benzofuran-2-carboxylate1-benzofuran-2-ylmethanol2-(1-benzofuran-2-yl)acetonitrile2-(1-benzofuran-2-yl)-1-ethanamine; 2-(1-benzofuran-2-yl)ethylamine1,2,3,4-tetrahydro[1]benzofuro[3,2-c]pyridineBenzofuran-2-carboxylic acid; 1-benzofuran-2-carboxylic acid1-benzofuran2-(1-benzofuran-2-yl)-1-ethanol2-(2-iodoethyl)-1-benzofuran1-[2-(1-benzofuran-2-yl)ethyl]-3,5-diaza-1-azoniatricyclo[3.3.1.1(3,7)]decane iodide3-(2-chloroethyl)-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one