6343-78-8
2-[(6-oxocyclohexa-2,4-dien-1-ylidene)methylamino]acetic acid
→
~70%
2233-84-3
2-[(2-hydroxyphenyl)methylamino]acetic acid
90-02-8
2-羟基苯甲醛
+
56-40-6
甘氨酸
~60%
98-67-9
4-羟基苯磺酸
579-75-9
邻甲氧基苯甲酸