616-04-6
甲酰乙内脲
+
4143-61-7
diethyl azodicarboxylic acid ester
19819-98-8
2-甲基苯乙醇
→
~50%
96040-47-0
5-methyl-3-[2-(2-methylphenyl)ethyl]imidazolidine-2,4-dione