14461-79-1
3-hydroxy-4-nitronaphthalene-2-carboxylic acid
→
13065-86-6
4-氨基-3-羟基-2-萘羧酸
2154-66-7
6-diazocyclohexa-2,4-diene-1-sulfonic acid
+
92-70-6
2-羟基-3-萘甲酸