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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