| 1 | 261-01-8 | 嘧啶并[4,5-B]喹啉 | pyrimido[4,5-b]quinoline | C11H7N3 | | |
| 2 | 261-05-2 | benzo(b)1,5-naphthyridine | benzo(b)1,5-naphthyridine | C12H8N2 | | |
| 3 | 261-06-3 | | Pyrimido[5,4-b]quinoline | C11H7N3 | | |
| 4 | 261-10-9 | | Pyrido[2,1-b]quinazolin-10-ium (8CI,9CI) | C12H9N2 | | |
| 5 | 261-15-4 | | Anthyridine | C11H7N3 | | |
| 6 | 261-23-4 | Xanthylium | Xanthylium | C13H9O+ | | |
| 7 | 261-24-5 | 10H-[1]Benzopyrano[3,2-c]pyridine | 10H-[1]Benzopyrano[3,2-c]pyridine | C12H9NO | | |
| 8 | 261-27-8 | 9-氧杂-1-氮杂-蒽 | 5H-chromeno[2,3-b]pyridine | C12H9NO | | |
| 9 | 261-31-4 | 噻吨 | 10H-dibenzo(b,e)thiin | C13H10S | 医药中间体 | |
| 10 | 261-32-5 | Thioxanthylium | Thioxanthylium | C13H9S | | |
| 11 | 261-37-0 | 5H-[1]Benzothiopyrano[2,3-b]pyridine | 5H-[1]Benzothiopyrano[2,3-b]pyridine | C12H9NS | | |
| 12 | 261-39-2 | | Dibenzo[b,e]stibinin (9CI) | C13H9Sb | | |
| 13 | 261-42-7 | 吨碲 | TELLUROXANTHENE | C13H10Te | | |
| 14 | 261-43-8 | pyrazino[2,3-g]quinoxaline | pyrazino[2,3-g]quinoxaline | C10H6N4 | | |
| 15 | 261-57-4 | | Mercury, di-μ-1,2-phenylenedi- (9CI) | C12H8Hg2 | | |
| 16 | 261-58-5 | | Mercury, (iminodi-2,1-phenylene)- (9CI) | C12H9HgN | | |
| 17 | 261-59-6 | | Pheniodoxin-5-ium (8CI,9CI) | C12H8IO+ | | |
| 18 | 261-64-3 | | Pyridazino[3,4-b]quinoxaline (8CI,9CI) | C10H6N4 | | |
| 19 | 261-65-4 | 1,3,9,10-Tetraazaanthracene | 1,3,9,10-Tetraazaanthracene | C10H6N4 | | |
| 20 | 261-79-0 | | Phenoxazin-5-ium | C12H8NO | | |
| 21 | 261-80-3 | 5H-苯并[B]吡啶并[4,3-E][1,4]恶嗪 | 5H-Benzo[b]pyrido[4,3-e][1,4]oxazine | C11H8N2O | | |
| 22 | 261-83-6 | 10H-Pyrido[3,2-b][1,4]benzoxazine | 10H-Pyrido[3,2-b][1,4]benzoxazine | C11H8N2O | | |
| 23 | 261-89-2 | | Phenothiazin-5-ium | C12H8NS | | |
| 24 | 261-94-9 | 5H-Pyridazino[3,4-b][1,4]benzothiazine | 5H-Pyridazino[3,4-b][1,4]benzothiazine | C10H7N3S | | |
| 25 | 261-95-0 | 5H-Pyrimido[4,5-b][1,4]benzothiazine | 5H-Pyrimido[4,5-b][1,4]benzothiazine | C10H7N3S | | |
| 26 | 261-96-1 | 10H-吡啶并(3,2-b)(1,4)苯并噻嗪 | 10H-Pyrido(3,2-b)(1,4)benzothiazine | C11H8N2S | 合成;氮杂环 | |
| 27 | 261-98-3 | | 10H-Pyrimido[5,4-b][1,4]benzothiazine | C10H7N3S | | |
| 28 | 261-99-4 | 1,2-DIAZAPHENOTHIAZINE | 1,2-DIAZAPHENOTHIAZINE | C10H7N3S | | |