| 1 | 219-07-8 | | 15H-Cyclopenta[a]phenanthrene | C17H12 | | |
| 2 | 219-08-9 | cyclopentaphenanthrene | cyclopentaphenanthrene | C17H12 | | |
| 3 | 219-25-0 | Phenanthro[2,1-b]thiophene | Phenanthro[2,1-b]thiophene | | | |
| 4 | 219-40-9 | Phenanthro[1,2-c][1,2,5]selenadiazole | Phenanthro[1,2-c][1,2,5]selenadiazole | | | |
| 5 | 219-54-5 | 1-NITRO-4-(4-NITROSTYRYL)BENZENE | 1-NITRO-4-(4-NITROSTYRYL)BENZENE | C14H10N2O4 | | |
| 6 | 219-681-2 | 4-己烯-3-酮 | 4-HEXEN-3-ONE | C6H10O | | |
| 7 | 219-87-4 | Acenaphtho[3,4-d]thiazole (8CI,9CI) | Acenaphtho[3,4-d]thiazole (8CI,9CI) | C13H9NS | | |
| 8 | 219-98-7 | Dibenz[c,e]oxepin | Dibenz[c,e]oxepin | C14H10O | | |