| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 2,2,4-三氯联苯 | 2,4,2'-trichlorobiphenyl | 37680-66-3 | C12H7Cl3 |
| 2,2,4-三氯-6-苯基己腈 | 2,2,4-trichloro-6-phenylhexanenitrile | 1382786-52-8 | C12H12Cl3N |
| 2,2,4,6-四苯基-1,2-二氢-1,3,5-三嗪 | 2,2,4,6-tetraphenyl-2,5-dihydro-1,3,5-triazine | 30805-23-3 | C27H21N3 |
| 2,2,4,6-四氟-2,2,4,4,6,6-六氢-4,6-二苯基-1,3,5,2,4,6-三氮杂三膦咛 | 1,3,5,2,4,6-Triazatriphosphorine, 2,2,4,6-tetrafluoro-2,2,4,4,6,6-hexahydro-4,6-diphenyl- | 73502-97-3 | C12H10F4N3P3 |
| 2,2,4,5-四苯基-4-环戊烯-1,3-二酮 | 1,2,4,4-Tetraphenyl-cyclopenten-3,5-dion | 37763-47-6 | C29H20O2 |
| 2,2,4,5,5-五氯联苯 | 2,2',4,5,5'-Pentachlorobiphenyl | 37680-73-2 | C12H5Cl5 |
| 2,2,4,4-联苯四醇 | sappanin | 4371-31-7 | C12H10O4 |
| 2,2,4,4-四甲基苯甲酮 | 2,2',4,4'-tetramethylbenzophenone | 3478-88-4 | C17H18O |
| 2,2,4,4-四甲基戊酸苄酯 | Benzyl-2,2,4,4-tetramethylpentanoate | 81325-80-6 | C16H24O2 |
| 2,2,4,4-四甲基-6,6,8,8-四苯基环四硅氧烷 | 1,1,3,3-Tetramethyl-5,5,7,7-tetraphenylcyclotetrasiloxan | 1693-47-6 | C28H32O4Si4 |
| 2,2,4,4-四甲基-1,5-二苯基-戊烷-3-酮 | 2,2,4,4-tetramethyl-1,5-diphenyl-pentan-3-one | 153339-36-7 | C21H26O |
| 2,2,4,4-四氯-6,6-二苯基环三磷腈 | 2,2,4,4-tetrachloro-6,6-diphenylcyclotriphosphazatriene | 2846-32-4 | C12H10Cl4N3P3 |
| 2,2,4,4,6,6-六甲基-8,8-二苯基环四硅氧烷 | 1,1-diphenyl-3,3,5,5,7,7-hexamethylcyclotetrasiloxane | 1693-44-3 | C18H28O4Si4 |
| 2,2,4,4,6,6-六溴联苯醚 | 2,2',4,4',6,6'-hexabromodiphenylether | 35854-94-5 | C12H4Br6O |
| 2,2,4,4,6,6-六溴联苯 | 2,2',4,4',6,6'-hexabromobiphenyl | 59261-08-4 | C12H4Br6 |
| 2,2,4,4,6,6-六氢-2,2,4,4-四(甲基氨基)-6,6-二苯基-1,3,5,2,4,6-三氮杂三膦咛 | 2,2,4,4-Tetrakismethylamino-6,6-diphenylcyclotriphosphazatrien | 7252-69-9 | C16H26N7P3 |
| 2,2,4,4,6,6-六(4-甲酰基苯氧基)-2,2,4,4,6,6-六氢-1,3,5,2,4,6-三氮杂三膦咛 | hexakis(4-formylphenoxy)cyclotriphosphazene | 77958-57-7 | C42H30N3O12P3 |
| 2,2,4,4,5,5-六甲基-1,3-二氧杂-2-硅杂环戊烷 | 83966-40-9 | C8H8NO2 | |
| 2,2,4,4,5,5-六溴联苯醚 | 2,2',4,4',5,5'-hexabromobiphenyl ether | 68631-49-2 | C12H4Br6O |
| 2,2,4,4,4-五氟-1-苯基丁烷-1,3,3-三醇 | 4-hydroxy-1,1,1,3,3-pentafluoro-4-phenylbutan-2-one hydrate | 241824-72-6 | C10H9F5O3 |
| 2,2,3-三苯基丙腈 | 2,2,3-triphenylpropanenitrile | 5350-82-3 | C21H17N |
| 2,2,3-三羟基联苯 | 2,2',3-trihydroxybiphenyl | 91368-55-7 | C12H10O3 |
| 2,2,3-三羟基二苯基醚 | 2,2',3-trihydroxydiphenyl ether | 128292-53-5 | C12H10O4 |
| 2,2,3-三甲基-N-苯基丁酰胺 | 2,2,3-trimethyl-butyric acid anilide | 58265-35-3 | C13H19NO |
| 2,2,3-三甲基-5-苯基-1,3-恶唑烷 | 2,2,3-trimethyl-5-phenyl-oxazolidine | 105973-46-4 | C12H17NO |
| 2,2,3-三甲基-4-苯基-2,5-二氢-噻吩 | 2,2,3-trimethyl-4-phenyl-5H-thiophene | 100990-04-3 | C13H16S |
| 2,2,3-三溴-3-苯基-丙酸 | 2,2,3-tribromo-3-phenyl-propionic acid | 861346-09-0 | C9H7Br3O2 |
| 2,2,3-三氯-3-苯基丙醛 | 2,2,3-trichloro-3-phenyl-propionaldehyde | 54944-37-5 | C9H7Cl3O |
| 2,2,3,5-四苯基-1,3,4-噻二唑 | 2,2,3,5-tetraphenyl-2,3-dihydro-[1,3,4]thiadiazole | 36358-10-8 | C26H20N2S |
| 2,2,3,5,5,6-六氯联苯 | 2,2',3,5,5',6-hexachlorobiphenyl | 52663-63-5 | C12H4Cl6 |
| 2,2,3,4,5,6-六氯联苯 | PCB 149 | 38380-04-0 | C12H4Cl6 |
| 2,2,3,4,5,6,6-七氯联苯 | 2,2',3,4',5,6,6'-heptachlorobiphenyl | 74487-85-7 | C12H3Cl7 |
| 2,2,3,4,4,5-六溴联苯醚 | 2,2',3,4,4'5'-hexabromodiphenyl ether | 182677-30-1 | C12H4Br6O |
| 2,2,3,4,4,5-六氯联苯 | 2,2',3,4,4',5'-Hexachlorobiphenyl | 35065-28-2 | C12H4Cl6 |
| 2,2,3,4,4,5,5,6-八溴二苯醚 | 2,2',3,4,4',5,5',6-octabromodiphenyl ether | 337513-72-1 | C12H2Br8O |
| 2,2,3,3-四甲基-N-苯基丁酰胺 | 2,2,3,3-Tetramethylbutanoylanilid | 62384-14-9 | C14H21NO |
| 2,2,3,3-四氟丙基N-(3-硝基苯基)氨基甲酸酯 | 2,2,3,3-tetrafluoropropyl N-(3-nitrophenyl)carbamate | 90687-70-0 | C10H8F4N2O4 |
| 2,2,3,3-四(苯基)丁烷二腈 | 2,2,3,3-tetraphenylsuccinonitrile | 3122-21-2 | C28H20N2 |
| 2,2,3,3,5,5,6,6-八氟-4,4-联苯基二甲腈 | 4,4'-dicyano-2,2',3,3',5,5',6,6'-octafluorobiphenyl | 28442-30-0 | C14F8N2 |
| 2,2,3,3,4,4-六氟戊烷-1,5-二基 双(4-甲基苯磺酸) | 2,2,3,3,4,4-hexafluoropentan-1,5-ditosylate | 632-01-9 | C19H18F6O6S2 |
| 2,2,3,3,4,4-六氟-1-(2-羟基-2-苯基乙基)环丁醇 | BENZYL ALCOHOL, alpha-((2,2,3,3,4,4-HEXAFLUORO-1-HYDROXYCYCLOBUTYL)METHYL)- | 100427-76-7 | C12H10F6O2 |
| 2,2,3,3,4,4,5-七氯联苯 | 2,2',3,3',4,4',5-Heptachlorobiphenyl | 35065-30-6 | C12H3Cl7 |
| 2,2,3,3,4,4,5,5-八氟戊基 4-甲基苯磺酸酯 | 2,2,3,3,4,4,5,5-octafluoropentyl p-toluenesulfonate | 2264-00-8 | C12H10F8O3S |
| 2,2,3,3,4,4,4-八氟对甲苯磺酸丁酯 | toluene-4-sulfonic acid-(1<i>H</i>,1<i>H</i>-heptafluoro-butyl ester) | 312-66-3 | C11H9F7O3S |
| 2,2,3,3,3-五氟-1,1-二苯基-1-丙醇 | 2,2,3,3,3-pentafluoro-1,1-diphenylpropan-1-ol | 337-33-7 | C15H11F5O |
| 2,2,2-三甲基乙酰苯胺 | N-pivaloylaniline | 6625-74-7 | C11H15NO |
| 2,2,2-三溴乙基4-硝基苯磺酸酯 | 4-nitro-benzenesulfonic acid-(2,2,2-tribromo-ethyl ester) | 73688-64-9 | C8H6Br3NO5S |
| 2,2,2-三氯亚氨基乙酸2-苯基丙烷-2-基酯 | 2-phenylpropan-2-yl 2,2,2-trichloroacetimidate | 147221-33-8 | C11H12Cl3NO |
| 2,2,2-三氯乙醛2,4-二硝基苯基腙 | Chloral-syn-2,4-dinitrophenylhydrazon | 71094-06-9 | C8H5Cl3N4O4 |
| 2,2,2-三氯乙酰胺苄酯 | Benzyl 2,2,2-trichloroacetimidate | 81927-55-1 | C9H8Cl3NO |