548-93-6
3-羟基-2-氨基苯甲酸
→
~30%
136497-59-1
[1,4]benzoxazino[3,2-i]phenoxazine-1,8-dicarboxylic acid
96464-02-7
+
606-59-7
朱砂精酸
112817-49-9
6-amino-3-[(2-carboxy-6-hydroxyphenyl)amino]-2,5-dioxo-1,3-cyclohexadiene-1-carboxylic acid