上游原料
ethyl acetoacetate; ethyl 3-oxobutanoate；Acetoacetic ester;Ethyl beta-ketobutyrate;ethyl 3-oxobutyrate4-(4-methoxy-2-methylphenyl)-3-methyl-1H-pyrazol-5-amine; 4-(4-methoxy-2-methylphenyl)-3-methyl-1H-pyrazol-5-ylamine3-(4-methoxy-2-methylphenyl)-2,5-dimethylpyrazolo[1,5-a]pyrimidin-7-ol7-chloro-3-(4-methoxy-2-methylphenyl)-2,5-dimethylpyrazolo[1,5-a]pyrimidine; 4-(7-chloro-2,5-dimethylpyrazolo[1,5-a]pyrimidin-3-yl)-3-methylphenyl methyl ether1-ethylpropylamine; 3-pentanamine
