| CAS登录号 | 中文名 | 英文名 | 分子结构式 | 分子式 | 详情 | 供应商 |
| 504-74-5 | 咪唑啉; 咪唑啉 | Imidazolidine; 1,3-Diazacyclopentane; Imidazole, tetrahydro- | ![]() | C3H8N2 | 详情 | 供应商 |
| 504-76-7 | Oxazolidine; 1,3-Oxazacyclopentane; 1,3-Oxazolidine; 1-Oxa-3-azacyclopentane; Oxazole, tetrahydro-; Tetrahydrooxazole | ![]() | C3H7NO | 详情 | 供应商 | |
| 504-70-1 | 吡唑啶 | Pyrazolidine; 1,2-Diazacyclopentane; 1H-Pyrazole, tetrahydro-; Tetrahydropyrazole | ![]() | C3H8N2 | 详情 | 供应商 |