| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 2,3,4,5-四氢-1H-苯并[b][1,4]二氮杂卓 | 2,3,4,5-tetrahydro-1H-1,5-benzodiazepine | 6516-89-8 | C9H12N2 |
| 2,3,4,5-四氢-1H-吡啶并[4,3-b]吲哚 | 2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole | 6208-60-2 | C11H12N2 |
| 2,3,4,5-四氢-1-苯并氧杂卓 | 2,3,4,5-tetrahydro-benzo[<i>b</i>]oxepine | 6169-78-4 | C10H12O |
| 2,3,4,5-四氟苯甲酸钠盐 | —— | 67852-79-3 | C7H2F4NaO2 |
| 2,3,4,5-四氟三氟甲苯 | 1,2,3,4-tetrafluoro-5-(trifluoromethyl)benzene | 654-53-5 | C7HF7 |
| 2,3,4,5-四-2-(苯基甲基)-3-吡嗪羧酸 | (S)-2-benzyl-2,3,4,5-tetrahydro-3-pyridazinecarboxylic acid | 680601-90-5 | C12H14N2O2 |
| 2,3,4,5-四-(4-吡啶)噻吩 | 4,4',4'',4'''-(thiophene-2,3,4,5-tetrayl)tetrapyridine | 64048-12-0 | C24H16N4S |
| 2,3,4,5,6-五羟基己酸 | Glucobiogen | 6622-52-2 | C6H12CaO7+2 |
| 2,3,4,5,6-五溴-N,N-二甲基苯胺 | N,N-dimethylpentabromoaniline | 64230-09-7 | C8H6Br5N |
| 2,3,4,5,6-五氯环己醇 | 2,5-Bis(trichloromethyl)hexahydrofuro[3,2-b]furan-3a,6a-diol | 6279-43-2 | C8H8Cl6O4 |
| 2,3,4,5,6-五氟苯甲酸 | Pentafluorobenzoic acid | 602-94-8 | C7HF5O2 |
| 2,3,4,5,6-五氟苯甲酰胺 | 2,3,4,5,6-pentafluorobenzamide | 652-31-3 | C7H2F5NO |
| 2,3,4,5,6-五氟苯乙烯 | 2,3,4,5,6-pentafluorostyrene | 653-34-9 | C8H3F5 |
| 2,3,4,5,6-五氟苄基氯 | 2,3,4,5,6-pentafluorobenzyl chloride | 653-35-0 | C7H2ClF5 |
| 2,3,4,5,6-五氟-N-[2-(4-氟苯基)苯并三唑-5-基]苯甲酰胺 | 2,3,4,5,6-pentafluoro-N-[2-(4-fluorophenyl)benzotriazol-5-yl]benzamide | 6618-53-7 | C19H8F6N4O |
| 2,3,4,5,6-五氟-3-(2,2-二氯乙烯基)-2,2-二甲基环丙烷羧酸苄酯 | (2,3,4,5,6-pentafluorophenyl)methyl 2,2-dimethyl-3-(2,2-dichlorovinyl)-cyclopropanecarboxylate | 67640-14-6 | C15H11Cl2F5O2 |
| 2,3,4,5,6,7-六氢-1H-茚 | 2-(2,3,4,7-tetrahydro-1H-inden-2-yl)acetic acid | 64492-81-5 | C11H14O2 |
| 2,3,4,5,6,7-六氢-1,7-二甲基-1H-1,7-苯并二氮杂环壬烷 | 1H-1,7-Benzodiazonine, 2,3,4,5,6,7-hexahydro-1,7-dimethyl- | 66102-33-8 | C13H20N2 |
| 2,3,4,4a,5,6,7,8-八氢-2,5,5-三甲基-2-萘酚 | 2-Naphthalenol, 2,3,4,4a,5,6,7,8-octahydro-2,5,5-trimethyl- | 643-53-8 | C13H22O |
| 2,3,4,4-四甲基己烷-3-醇 | methyl-isopropyl-<i>tert</i>-pentyl-carbinol | 66256-67-5 | C10H22O |
| 2,3,4,4-四甲基己-2-烯 | 2,3,4,4-tetramethyl-hex-2-ene | 67634-13-3 | C10H20 |
| 2,3,4,4-四甲基-戊烷-2,3-二醇 | 2,3,4,4-tetramethyl-pentane-2,3-diol | 61065-35-8 | C9H20O2 |
| 2,3,4,4-四甲基-2-氮杂双环[3.2.1]辛烷 | 2-Azabicyclo(3.2.1)octane, 2,3,4,4-tetramethyl- | 64048-83-5 | C11H21N |
| 2,3,4,4'-四甲氧基-1,1'-联苯 | 2,3,4,4'-tetramethoxy-1,1'-biphenyl | 6271-59-6 | C16H18O4 |
| 2,3,4,10-四氢-1-甲基-10-苯甲酰甲基苯并[b][1,8]萘啶-5-酮 | 1-methyl-10-(2-oxo-2-phenyl-ethyl)-2,3,4,10-tetrahydro-1<i>H</i>-benzo[<i>b</i>][1,8]naphthyridin-5-one | 60315-51-7 | C21H20N2O2 |
| 2,3,4',5,6-五氯联苯 | 2,3,4',5,6-Pentachlorobiphenyl | 68194-11-6 | C12H5Cl5 |
| 2,3,3-三甲基戊-4-烯酸 | 2,3,3-trimethyl-pent-4-enoic acid | 61740-75-8 | C8H14O2 |
| 2,3,3-三甲基吡咯并[3,2-h]喹啉 | 2,3,3-trimethyl-3H-pyrrolo[3,2-h]quinoline | 60420-11-3 | C14H14N2 |
| 2,3,3-三甲基二环[2.2.1]庚烷-7-酮 | 2,2,3-Trimethylbicyclo[2.2.1]heptan-7-one | 61207-64-5 | C10H16O |
| 2,3,3-三甲基-1-己烯-6-醇 | 2,3,3-Trimethyl-1-hexen-6-ol | 65502-56-9 | C9H18O |
| 2,3,3-三氯四氢-2H-吡喃 | 2,3,3-trichloro-tetrahydropyran | 63027-88-3 | C5H7Cl3O |
| 2,3,3-三氟丙烯酰氟 | 2,3,3-trifluoroacryloyl fluoride | 667-49-2 | C3F4O |
| 2,3,3,4-四氯-1-丁烯 | 2,3,3,4-tetrachloro-1-butene | 64346-45-8 | C4H4Cl4 |
| 2,3,3,4,4,5,5,6,6-九氟-1-甲基-1-环己烯 | 1-methylnonafluorocyclohexene | 647-53-0 | C7H3F9 |
| 2,3,3,4,4,4-六氟-2-溴丁酸甲酯 | methyl α-bromohexafluorobutyrate | 63867-09-4 | C5H3BrF6O2 |
| 2,3,3,4,4,4-六氟-2-(1,1,2,2,2-五氟乙基)丁酰氟 | 2,3,3,4,4,4-hexafluoro-2-(1,1,2,2,2-pentafluoroethyl)butanoyl fluoride | 61340-75-8 | C6F12O |
| 2,3,3,3-四氟丙酰溴 | 2,3,3,3-Tetrafluoropropanoyl bromide | 61444-66-4 | C3HBrF4O |
| 2,3,3,3-四氟-2-[1,1,2,3,3,3-六氟-2-(七氟丙氧基)丙氧基]丙酸钾 | Potassium 2,3,3,3-tetrafluoro-2-(1,1,2,3,3,3-hexafluoro-2-(heptafluoropropoxy)propoxy)propionate | 67118-57-4 | C9F17KO4 |
| 2,3,3,3-四氟-2-(七氟丙氧基)丙酸铵 | ammonium perfluoro(2-methyl-3-oxahexanoate) | 62037-80-3 | C6HF11O3*H3N |
| 2,3,3,3-四氟-2-(七氟丙氧基)丙酸钾 | potassium 2,3,3,3-tetrafluoro-2-(perfluoropropoxy)propanoate | 67118-55-2 | C6F11O3*K |
| 2,3,3,3-四氟-2-(1,1,2,3,3,3-六氟-2-(1,1,2,3,3,3-六氟-2-(三氟甲氧基)丙氧基)丙氧基)丙酸 | perfluoro-2,5,8-trimethyl-3,6,9-trioxadodecanoic acid | 65294-16-8 | C12HF23O5 |
| 2,3,3',5',6-五氯联苯 | 2,3,3',5',6-pentachlorobiphenyl | 68194-10-5 | C12H5Cl5 |
| 2,3,3',4,4',5'-六氯联苯 | PCB 157 | 69782-90-7 | C12H4Cl6 |
| 2,3,3',4',5,5',6-七氯联苯 | 2,3,3',4',5,5',6-heptachlorobiphenyl | 69782-91-8 | C12H3Cl7 |
| 2,3'-二羟基二苯甲酮 | 2,3'-Dihydroxy-benzophenon | 611-76-7 | C13H10O3 |
| 2,3'-二甲基联苯 | 2,3'-dimethyl-1,1'-biphenyl | 611-43-8 | C14H14 |
| 2,3'-二甲基三羟苯丙酮 | 3-Methyl-phlor-isobutyro-phenon | 69480-03-1 | C11H14O4 |
| 2,3',6-三羟基-4-甲氧基-2'-(3-甲基-2-丁烯基)二苯甲酮 | Cudranone | 63596-94-1 | C19H20O5 |
| 2,3',4,6-四氯联苯 | 2,3',4,6-tetrachlorobiphenyl | 60233-24-1 | C12H6Cl4 |
| 2,3',4,5,5'-五氯联苯 | 2,3',4,5,5'-pentachlorobiphenyl | 68194-12-7 | C12H5Cl5 |