| 序号 | 中文名称 | 英文名称 |
|---|---|---|
| 73 | 2,3,4-三氯-1-丁烯 | 2,3,4-Trichlorobut-1-ene (CAS No. 2431-50-7) |
| 74 | 2,3,7,8-四氯二苯并对二噁英 | 2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD) (CAS No. 1746-01-6) |
| 75 | 2,3-二溴-1-丙醇 | 2,3-Dibromopropan-1-ol (CAS No. 96-13-9) |
| 76 | 2,3-二氯-2-甲基丁烷 | 2,3-Dichloro-2-methylbutane (CAS No .507-45-9) |
| 77 | 2,3-二氯丙烯 | 2,3-Dichloropropene (CAS No. 78-88-6) |
| 78 | 2,3-二氢化-2,2-二甲基-6-((4-(苯偶氮基)-1-萘基)偶氮)-1H-嘧啶 (溶剂黑3)及其盐类 | 2,3-Dihydro-2,2-dimethyl-6-((4-(phenylazo)-1-naphthalenyl)azo)-1H-pyrimidine (Solvent Black 3) (CAS No. 4197-25-5) and its salts |
| 79 | 2,3-二硝基甲苯 | 2,3-Dinitrotoluene (CAS No. 602-01-7) |
| 80 | 2,3-环氧-1-丙醇 | 2,3-Epoxypropan-1-ol (Glycidol) (CAS No. 556-52-5) |