33240-21-0
ethyl-3-[(4-methylphenyl)amino]but-2-enoate
→
~97%
25428-07-3
2,6-二甲基-4-羟基喹啉
141-97-9
乙酰乙酸乙酯
+
106-49-0
对甲苯胺
~92%
~80%
158261-84-8
2-Butenoic acid, 3-[(4-methylphenyl)amino]-, ethyl ester, (2Z)-