55720-43-9
1,4,6,7-tetrachloronaphthalene
→
2437-54-9
1,4,6-trichloronaphthalene
+
55720-39-3
1,6,7-trichloronaphthalene
191-07-1
晕苯
227-09-8
1,2:8,9-二苯并五苯
190-26-1
Ovalene
198-55-0
苝
191-24-2
苯并[ghi]苝