21139-18-4
4,6-dimethyl-1-phenylpyrimidin-2-one
→
~73%
74360-10-4
4,6-dimethyl-1-phenylpyrimidine-2-thione
123-54-6
乙酰丙酮
+
103-85-5
苯基硫脲
~48%