| 258-72-0 | [1,4]benzoxazino[2,3-b]phenoxazine | C18H10 N2 O2 |
| 258-04-8 | 12H-Benzo[b]phenoxazine | C16H11 N O |
| 258-08-2 | 12H-Benzo[b]phenothiazine | C16H11 N S |
| 258-57-1 | Quino[3,2-b]acridine | C20H12 N2 |
| 258-59-3 | Quino[2,3-b]acridine | C20H12 N2 |
| 258-67-3 | Quinoxalino[2,3-b]phenazine | C18H10 N4 |
| 258-74-2 | Triphenodithiazine | C18H10N2S2 |
| 258-76-4 | Dibenzo[b,i]phenazine | C20H12 N2 |
| 258-78-6 | 13H-Dibenzo[b,i]phenothiazine | C20H13 N S |