480-96-6
苯并呋咱
+
141-97-9
乙酰乙酸乙酯
→
~60%
111730-64-4
ethyl 1-hydroxybenzimidazole-2-carboxylate
5428-05-7
ethyl 2-(2-nitroanilino)acetate
~30%
5427-99-6
N-鄰硝苯甘胺酸
1865-09-4
1H-苯并咪唑-2-羧酸乙酯
5436-00-0
(9ci)-1H-苯并咪唑-2-羧酸肼