83-07-8
4-氨基安替比林
+
541-41-3
氯甲酸乙酯
→
10077-97-1
ethyl N-(1,5-dimethyl-3-oxo-2-phenylpyrazol-4-yl)carbamate
885-11-0
1,5-dimethyl-4-nitroso-2-phenylpyrazol-3-one