67-56-1
甲醇
+
4504-12-5
ethyl 5-oxo-2-phenyl-1,2-oxazole-4-carboxylate
→
~63%
142558-45-0
ethyl 3-anilino-2-methoxyprop-2-enoate
142558-55-2
Propanedioic acid, [(phenylamino)carbonyl]-, ethyl methyl ester