| 1 | 204-00-2 | 6H-Perimidine | C11H8N2 | 168.19 | | |
| 2 | 204-02-4 | perimidine | C11H8N2 | 168.19 | 223°C | |
| 3 | 204-03-5 | 1H-NAPHTHO[1,8-DE][1,2,3]TRIAZINE | C10H7N3 | 169.18 | 258-262 °C (decomp) | |
| 4 | 204-14-8 | Naphtho[1,8-de]-1,3-dithiin (9CI) | C11H8S2 | 204.31 | 124-125.5 °C(Solv: hexane (110-54-3); benzene (71-43-2)) | |
| 5 | 204-34-2 | tri-s-triazine | C6H3N7 | 173.13492 | | |
| 6 | 204-54-6 | 7H-Benz[4,5]-s-indaceno[1,2-a]phenanthrene (8CI,9CI) | C27H16 | 340.42 | | |
| 7 | 204-64-8 | 14H-Benzo[g]benzo[2,3][1]benzoselenopheno[6,5-a]carbazole | C26H15NSe | 420.36 | | |
| 8 | 204-770-0 | ANILERIDINE HYDROCHLORIDE CII (250 MG) | | | | |
| 9 | 204-86-4 | 9H-Cyclopenta[d]naphth[2',1':4,5]imidazo[1,2-a]pyrimidine | C17H11N3 | 257.29 | | |
| 10 | 204-90-0 | 7H-Dibenzo[b,g]carbazole | C20H13N | 267.32 | | |
| 11 | 204-91-1 | DINAPHTHO[2,1-B:2',3'-D]FURAN | C20H12O | 268.31 | 159 °C | |
| 12 | 204-99-9 | 8H-Naphtho[1',2':4,5]furo[3,2-b][1]benzopyran | C19H12O2 | 272.3 | | |