| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 2,2,4,5-四甲基呋喃-3-酮 | 2,2,4,5-tetramethylfuran-3(2H)-one | 70064-03-8 | C8H12O2 |
| 2,2,4,4-四甲基-3-戊酮肟 | 2,2,4,4-tetramethyl-pentan-3-one oxime | 7754-22-5 | C9H19NO |
| 2,2,4,4-四甲基-20-[6-(2,2,4,4-四甲基-21-氧代-7-氧杂-3,20-二氮杂二螺[5.1.11.2]二十一碳-20-基)己基]-7-氧杂-3,20-二氮杂二螺[5.1.11.2]二十一烷-21-酮 | 20,20'-(Hexane-1,6-diyl)bis(2,2,4,4-tetramethyl-7-oxa-3,20-diazadispiro(5.1.11.2)henicosan-21-one) | 79276-19-0 | C50H90N4O4 |
| 2,2,4,4-四甲基-1-戊醇 | 2,2,4,4-tetramethyl-1-pentanol | 79803-30-8 | C9H20O |
| 2,2,4,4-四甲基-1,3-环丁烷二醇二(三氯乙酸酯) | 1,3-Cyclobutanediol, 2,2,4,4-tetramethyl-, bis(trichloroacetate) | 73806-29-8 | C12H14Cl6O4 |
| 2,2,4,4-四甲基-1,3-环丁烷二酮二缩氨基脲 | 1,3-Cyclobutanedione, 2,2,4,4-tetramethyl-, disemicarbazone | 73806-30-1 | C10H18N6O2 |
| 2,2,4,4-四甲基-1,3-环丁烷二酮二缩氨基硫脲 | 2,2,4,4-Tetramethylcyclobutanedione dithiosemicarbazone | 73816-39-4 | C10H18N6S2 |
| 2,2,4,4-四甲基-1,3-环丁烷二胺 | 2,2,4,4-tetramethyl-1,3-cyclobutanediamine | 7531-10-4 | C8H18N2 |
| 2,2,4,4-四(三氟甲基)-1,3-二硫杂环丁烷 | 2,2,4,4-Tetrakis(trifluoromethyl)-1,3-dithietane | 791-50-4 | C6F12S2 |
| 2,2,4,4,6-五甲基-1,3-二氧杂-2-硅杂环己烷 | 2,2,4,4,6-pentamethyl-1,3-dioxa-2-silacyclohexane | 77181-39-6 | C8H18O2Si |
| 2,2,4,4,6-五氯庚烷 | Qpjmfvpwwndvnk-uhfffaoysa- | 75296-41-2 | C7H11Cl5 |
| 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 |
| 2,2,4,4,6,6-六(1-甲基丙氧基)环己烷三硅氧烷 | Hexakis(1-methylpropoxy)cyclotrisiloxane | 70788-47-5 | C24H54O9Si3 |
| 2,2,4,4,6,6,8,8-八(1-甲基丙氧基)环辛烷四硅氧烷 | Octakis(1-methylpropoxy)cyclotetrasiloxane | 70969-56-1 | C32H72O12Si4 |
| 2,2,3-三甲基-&#x3B2-丙基环戊-3-烯-1-丁醇 | beta-Endorphin, gln(8),gly(31)-gly-gly-NH2- | 74245-17-3 | C159H251N45O44S |
| 2,2,3-三氯丙醛 | 2,2,3-Trichlor-propionaldehyd | 7789-90-4 | C3H3Cl3O |
| 2,2,3-三氯丁醛 | 2,2,3-trichlorobutyraldehyde | 76-36-8 | C4H5Cl3O |
| 2,2,3,5,5-五氟四氢呋喃 | ethoxycarbonyl(trifluoromethylsulfonyl)dibromomethane | 75988-04-4 | C5H5Br2F3O4S |
| 2,2,3,4-四氟-6-苯基-2H-吡喃 | 2,2,3,4-Tetrafluoro-6-phenyl-2H-pyran | 75599-84-7 | C11H6F4O |
| 2,2,3,4,5,6,6-七氯联苯 | 2,2',3,4',5,6,6'-heptachlorobiphenyl | 74487-85-7 | C12H3Cl7 |
| 2,2,3,4,5,5-六甲基-3-咪唑啉-1-氧基硫酸甲酯,自由基 | 1-[(Methoxysulfonyl)peroxy]-1,2,2,4,5,5-hexamethyl-2,5-dihydro-1H-imidazol-1-ium | 70429-36-6 | C10H21N2O5S+ |
| 2,2,3,4,4-五氯-3-丁烯酸丁酯 | 3-Butenoic acid, 2,2,3,4,4-pentachloro-, butyl ester | 75147-20-5 | C8H9Cl5O2 |
| 2,2,3,4,4-五氟-3-丁烯腈 | 2,2,3,4,4-pentafluorobut-3-ene nitrile | 7792-66-7 | C4F5N |
| 2,2,3,3-四甲氧基环丁烷-1-甲醛 | 2,2,3,3-Tetramethoxy-cyclobutanecarbaldehyde | 77998-92-6 | C9H16O5 |
| 2,2,3,3-四甲氧基-4H-吡喃 | 2,2,3,3-tetramethoxydihydropyran | 77998-83-5 | C9H16O5 |
| 2,2,3,3-四甲基环丙烷羧酸乙酯 | ethyl 2,2,3,3-tetramethylcyclopropanecarboxylate | 771-10-8 | C10H18O2 |
| 2,2,3,3-四甲基环丙烷甲酰肼 | 2,2,3,3-Tetramethylcyclopropane-1-carbohydrazide | 756830-97-4 | C8H16N2O |
| 2,2,3,3-四甲基戊烷 | 2,2,3,3-tetramethylpentane | 7154-79-2 | C9H20 |
| 2,2,3,3-四甲基-1-氮丙啶羰基氟化物 | fluorure de (tetramethyl-2,2,3,3 aziridine)-1 carbonyle | 73867-19-3 | C7H12FNO |
| 2,2,3,3-四氰基-4,4-二甲基环戊酮二甲基缩醛 | 2,2,3,3-tetracyano-4,4-dimethylcyclopentanone dimethyl acetal | 76430-13-2 | C13H14N4O2 |
| 2,2,3,3-四氯萘-1,4-二酮 | 2,2,3,3-tetrachloro-1,2,3,4-tetrahydronaphthalen-1,4-dione | 77302-41-1 | C10H4Cl4O2 |
| 2,2,3,3-四氯四硅烷 | 2,2,3,3-tetrachlorotetrasilane | 796853-25-3 | C18H42Cl4Si4 |
| 2,2,3,3-四氟环氧丙烷 | 2,2,3,3-tetrafluorooxetane | 765-63-9 | C3H2F4O |
| 2,2,3,3-四氟丙醛 | 2,2,3,3-tetrafluoropropanal | 756-04-7 | C3H2F4O |
| 2,2,3,3-四氟丙酸钾 | Potassium 2,2,3,3-tetrafluoropropionate | 71592-16-0 | C3HF4KO2 |
| 2,2,3,3-四氟丙基次氯酸盐 | 1,1,3-trihydroperfluoropropyl hypochlorite | 76453-03-7 | C3H3ClF4O |
| 2,2,3,3-四氟-3-甲氧基-丙酸甲酯 | methyl 3-methoxy-2,2,3,3-tetrafluoropropionate | 755-73-7 | C5H6F4O3 |
| 2,2,3,3-四氟-3-氟磺酰基丙酰氟 | perfluoro(3-fluorosulfonyl)propionic acid fluoride | 77545-05-2 | C3F6O3S |
| 2,2,3,3-四氟-3-(全氟丙氧基)丙酸钠 | sodium;2,2,3,3-tetrafluoro-3-(1,1,2,2,3,3,3-heptafluoropropoxy)propanoate | 79630-80-1 | C6F11O3*Na |
| 2,2,3,3-四乙氧基丙酸乙酯 | ethyl 2,2,3,3-tetraethoxypropanoate | 77070-74-7 | C13H26O6 |
| 2,2,3,3,5,6,6-庚甲基庚烷 | 2,2,3,3,5,6,6-Heptamethylheptane | 7225-67-4 | C14H30 |
| 2,2,3,3,4,4,5,5-八氟辛基戊酸酯 | Octyl 2,2,3,3,4,4,5,5-octafluoropentanoate | 72828-80-9 | C13H18F8O2 |
| 2,2,3,3,4,4,5,5-八氟戊基次氯酸盐 | 1,1,5-trihydroperfluoroamyl hypochlorite | 76453-04-8 | C5H3ClF8O |
| 2,2,3,3,4,4,5,5-八氟-1-(五氟乙基)-吡咯烷 | perfluoro(N-ethylpyrrolidine) | 78159-15-6 | C6F13N |
| 2,2,3,3,3-五氟-1-(2-吡咯烷基)-1-丙酮 | 2,2,3,3,3-Pentafluoro-1-(pyrrolidin-2-yl)propan-1-one | 742038-20-6 | C7H8F5NO |
| 2,2,2-氮川三乙腈 | nitrilotriacetonitrile | 7327-60-8 | C6H6N4 |
| 2,2,2-氘代溴乙烷 | 2-bromo-1,1,1-trideuterio-ethane | 7439-86-3 | C2H5Br |
| 2,2,2-三甲氧基乙酰胺 | trimethoxyacetamide | 75654-11-4 | C5H11NO4 |
| 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 |