531-81-7
香豆素-3-羧酸
+
626-34-6
3-氨基巴豆酸乙酯
→
~40%
110434-68-9
Ethyl 4-(3,4-dihydro-2-oxo-2H-benzopyran-4-yl)-3-iminobutanoate
110434-70-3
Ethyl 2-amino-4-(2-hydroxyphenyl)-6-oxo-1-cyclohexene-1-carboxylate