2066-93-5
3,4-dihydro-3,4-dioxonaphthalene-1-sulphonic acid
+
106-47-8
对氯苯胺
→
6373-23-5
4-(4-chloroanilino)naphthalene-1,2-dione
83-72-7
2-羟基-1,4-萘醌