| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 2,3,4,5-四氢-1H-苯并[c]氮杂-7-醇 | 2,3,4,5-Tetrahydro-1H-benzo[c]azepin-7-ol | 754184-91-3 | C10H13NO |
| 2,3,4,5-四氢-1H-2-苯并氮杂卓 | 2,3,4,5-tetrahydro-1H-benzo[c]azepine | 7216-22-0 | C10H13N |
| 2,3,4,5-四(三氟甲基)吡咯 | 2,3,4,5-tetrakis(trifluoromethyl)pyrrole | 73688-41-2 | C8HF12N |
| 2,3,4,5,6-五氯苯酚3-(丙-2-烯基氨基)丙腈 | 2,3,4,5,6-Pentachlorophenol; 3-(prop-2-enylamino)propanenitrile | 7357-29-1 | C12H11Cl5N2O |
| 2,3,4,5,6-五氯-4-[二(烯丙氧基)亚膦酰]-2,5-环己二烯-1-酮 | 2,5-Cyclohexadien-4-one, pentachloro-4-(diallylphosphono)- | 73806-36-7 | C12H10Cl5O4P |
| 2,3,4,5,6-五氟苯胺 | 2,3,4,5,6-pentafluoroaniline | 771-60-8 | C6H2F5N |
| 2,3,4,5,6-五氟苯磺酰胺 | 2,3,4,5,6-pentafluorobenzenesulfonamide | 778-36-9 | C6H2F5NO2S |
| 2,3,4,5,6-五氟联苯 | 2,3,4,5,6-pentafluorobiphenyl | 784-14-5 | C12H5F5 |
| 2,3,4,5,6-五氟甲苯 | 2,3,4,5,6-pentafluorotoluene | 771-56-2 | C7H3F5 |
| 2,3,4,5,6-五(三氟甲基)苯酚 | pentakis(trifluoromethyl)phenol | 723294-91-5 | C11HF15O |
| 2,3,4,5,6,7-六氢-1H-茚-5-甲酰氯 | 2,3,4,5,6,7-Hexahydro-1H-indene-5-carbonyl chloride | 75412-82-7 | C10H13ClO |
| 2,3,4,5,5-五氟-1,3-环戊二烯-1-羰基氟化物 | pentafluorocyclopenta-1,3-diene 1-carboxylic acid fluoride | 74415-71-7 | C6F6O |
| 2,3,4,4a,5,6-六氢-1H-吡嗪并[1,2-a]喹喔啉 | 2,3,4,4a,5,6-hexahydro-1<i>H</i>-pyrazino[1,2-<i>a</i>]quinoxaline | 73187-21-0 | C11H15N3 |
| 2,3,4,4-四甲基-2-恶唑啉碘化物 | 2,4,4-trimethyl-2-oxazoline | 70489-82-6 | C7H14NO*I |
| 2,3,4,4',6-五氯联苯 | 2,3,4,4',6-Pentachlorobiphenyl | 74472-38-1 | C12H5Cl5 |
| 2,3,4,4',5-五氯联苯 | 2,3,4,4',5-pentachlorobiphenyl | 74472-37-0 | C12H5Cl5 |
| 2,3,3’,6-四氯联苯 | 2,3,6,3'-tetrachlorobiphenyl | 74472-33-6 | C12H6Cl4 |
| 2,3,3’,4,4’,5,5’,6-八氯联苯 | 2,3,3',4,4',5,5',6-octachlorobiphenyl | 74472-53-0 | C12H2Cl8 |
| 2,3,3-三甲基-3H-苯并[g]吲哚 | 2,3,3-trimethyl-3H-benzo[g]indole | 74470-85-2 | C15H15N |
| 2,3,3-三甲基-1,4-戊二烯 | 2,3,3-Trimethyl-1,4-pentadiene | 756-02-5 | C8H14 |
| 2,3,3-三溴丙酸 | tribromoacrylic acid | 71815-46-8 | C3HBr3O2 |
| 2,3,3-三氯-2-硫代丙烯酸O-甲基酯 | Methyl trichlorothioacrylate | 76619-91-5 | C4H3Cl3OS |
| 2,3,3-三氟-3-甲氧基丙酸甲酯 | Methyl-3-methoxy-2,3,3-trifluorpropionat | 758-69-0 | C5H7F3O3 |
| 2,3,3,6-四氟-1,4-环己二烯 | 2,3,3,6-tetrafluoro-1,4-cyclohexadiene | 74298-21-8 | C6H4F4 |
| 2,3,3,4,5,6-六氯联苯 | 2,3,3',4',5',6-hexaachlorobiphenyl | 74472-45-0 | C12H4Cl6 |
| 2,3,3,4,4,4-六氟-2-(三氟甲基)丁酰氟 | 3,4,4,4-hexafluoro-2-(trifluoromethyl)butyryl fluoride | 754-49-4 | C5F10O |
| 2,3,3,3-四氟丙烯 | 2,3,3,3-tetrafluoropropene | 721945-86-4 | C4H5F3 |
| 2,3,3,3-四氟丙烯 | 2,3,3,3-tetrafluoro-propene | 754-12-1 | C3H2F4 |
| 2,3,3,3-四氟-2-[1,1,2,3,3,3-六氟-2-(七氟丙氧基)丙氧基]丙酸乙酯 | 2'-perfluoropropoxy-2-perfluoropropoxyperfluoropropanoic acid ethyl ester | 76145-88-5 | C11H5F17O4 |
| 2,3,3,3-四氟-2-(全氟戊氧基)丙-1-醇 | 2,3,3,3-Tetrafluoro-2-(perfluoropentoxy)propan-1-OL | 78693-85-3 | C8H3F15O2 |
| 2,3,3,3-四氟-2-(三氟甲基)丙醛 | heptafluoroisobutyraldehyde | 7450-64-8 | C4HF7O |
| 2,3,3,3-四氟-1-(4-甲基苯基)-1-丙酮 | 2,3,3,3-Tetrafluoro-1-(4-methylphenyl)propan-1-one | 76435-42-2 | C10H8F4O |
| 2,3,3'5-四氯联苯 | 2,3,3',5-tetrachlorobiphenyl | 70424-67-8 | C12H6Cl4 |
| 2,3,3',5,6-五氯联苯 | 2,3,3',5,6-pentachlorobiphenyl | 74472-36-9 | C12H5Cl5 |
| 2,3,3',5,5',6-六氯联苯 | 2,3,3',5,5',6-hexachlorobiphenyl | 74472-46-1 | C12H4Cl6 |
| 2,3,3',4-四氯联苯 | 2,3,3',4-tetrachlorobiphenyl | 74338-24-2 | C12H6Cl4 |
| 2,3,3',4,6-五氯联苯 | 2,3,3',4,6-pentachlorobiphenyl | 74472-35-8 | C12H5Cl5 |
| 2,3,3',4,5-五氯联苯 | 2,3,3',4,5-pentachlorobiphenyl | 70424-69-0 | C12H5Cl5 |
| 2,3,3',4,5,5',6-七氯联苯 | 2,3,3',4,5,5',6-heptachlorobiphenyl | 74472-51-8 | C12H3Cl7 |
| 2,3,3',4,5'-五氯联苯 | 2,3,3',4,5'-pentachlorobiphenyl | 70362-41-3 | C12H5Cl5 |
| 2,3,3',4,4',6-六氯联苯 | 2,3,4,4',5',6-hexachlorobiphenyl | 74472-42-7 | C12H4Cl6 |
| 2,3,3',4,4',5',6-七氯联苯 | 2,3,3',4,4',5',6-heptachlorobiphenyl | 74472-50-7 | C12H3Cl7 |
| 2,3,3',4',5-五氯联苯 | 2,3,3',4',5-pentachlorobiphenyl | 70424-68-9 | C12H5Cl5 |
| 2,3,3',4',5,6-六氯联苯 | 2,3,3',4',5,6-hexaachlorobiphenyl | 74472-44-9 | C12H4Cl6 |
| 2,3'-二硝基联苯 | 2,3'-dinitrobiphenyl | 7391-72-2 | C12H8N2O4 |
| 2,3'-二氰基二苯乙烯苯 | 2-2-4-2-(3-Cyanophenyl)vinylphenylvinylbenzonitrile | 79026-03-2 | C24H16N2 |
| 2,3',5',6-四氯联苯 | 2,3',5',6-tetrachlorobiphenyl | 74338-23-1 | C12H6Cl4 |
| 2,3',5',6-四(2-甲基-2-丙基)-1,1'-联(2,5-环己二烯-1-亚基)-4,4'-二酮 | 3.3'.5.5'-Tetra-tert-butyl-diphenochinon | 74978-25-9 | C28H40O2 |
| 2,3',4,5'-四氯联苯 | 2,3',4,5'-tetrachlorobiphenyl | 73575-52-7 | C12H6Cl4 |
| 2,3'',4,5-四氯联苯 | 2,3',4,5-tetrachlorobiphenyl | 73575-53-8 | C12H6Cl4 |