4、5位杂环种类 | R1 | R2 | R3 | R4 | 化合物名称 |
| Cl | Cl | H | H | 氯噁唑仑 |
| Cl | Cl | H | CH3 | 美沙唑仑 |
| Cl | F | CH2CH2OH | H | 氟他唑仑 |
| Cl | H | H | CH3 | 噁唑仑 |
| Br | F | H | H | 卤噁唑仑 |