68413-92-3
sodium,(3,4-dimethoxyphenyl)-hydroxymethanesulfonate
+
619-05-6
3,4-二氨基苯甲酸
→
~55%
355022-55-8
2-(3,4-dimethoxyphenyl)-3H-benzimidazole-5-carboxylic acid
120-14-9
香兰素甲醚