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中文名称 英文名称 CAS号 化学式
2S-t-丁基二甲基硅烷基氧基-3R-(t-叔丁氧羰基)-氨基-1,4-二氯丁烷 2(S)-t-butyldimethylsilyloxy-3(R)-(t-butyloxycarbonyl)amino-1,4-dichlorobutane 326480-00-6 C15H31Cl2NO3Si
2R-(t-叔丁氧羰基)氨基-1,4-二氯-3S-羟基丁烷 2(R)-((tert-butyloxycarbonyl)amino)-1,4-dichloro-3(S)-hydroxybutane 326479-99-6 C9H17Cl2NO3
2H,3H-七氟己酸 3-(Perfluoropropyl)-2-propenoic acid 356-03-6 C6H3F7O2
2H-苯并吡喃-3-羧酸甲酯 methyl 2H-1-benzopyran-3-carboxylate 36044-49-2 C11H10O3
2H-苯并吡喃-3-甲酸 2-Chloracetyl-5-methyl-3-isoxazolinon 38100-64-0 C6H6ClNO3
2H-环庚并[d]嘧啶 2H-Cyclohepta[d]pyrimidine 30735-87-6 C9H8N2
2H-四唑-5-乙胺盐酸盐 1H-tetrazol-5-ethanamine monohydrochloride 33841-57-5 C3H7N5*ClH
2H-四唑-2-羧酸,5-乙氧基-,甲基酯 1-(Furan-2-yl)-2,2-dimethylpropan-1-amine 331852-16-5 C9H15NO
2H-噌啉-3-酮 3(2H)-cinnolinone 31777-46-5 C8H6N2O
2H-嘧啶并[1,2-b]吡嗪-2-酮 Pyrimido<1,2-b>pyridazin-2-on 30247-55-3 C7H5N3O
2H-咪唑并[2,1-b][1,3,5]恶二嗪 2H-Imidazo[2,1-b][1,3,5]oxadiazine 301676-88-0 C5H5N3O
2H-吡喃-2,4(3H)-二酮 2H-Pyran-2,4(3H)-dione 31470-16-3 C5H4O3
2H-吡喃,2-(6-庚炔-1-氧基)四氢 tetrahydro-2-(6-heptynyloxy)-2H-pyran 37011-86-2 C12H20O2
2H-吡咯并[2,3-d]嘧啶 2H-Pyrrolo[2,3-d]pyrimidine 326-98-7 C6H5N3
2H-全氟-5,8-二甲基-3,6,9-三噁十二烷 2H-Perfluoro-(5,8-dimethyl-3,6,9-trioxadodecane) 3330-16-3 C11HF23O3
2H-全氟-5,8,11,14-四甲基-3,6,9,12,15-五氧杂十八烷 1,1,1,2,3,3-Hexafluoro-2-(1,1,2,3,3,3-hexafluoro-2-heptafluoropropyloxy-propoxy)-3-{1,2,2-trifluoro-1-trifluoromethyl-2-[1,2,2-trifluoro-2-(1,2,2,2-tetrafluoro-ethoxy)-1-trifluoromethyl-ethoxy]-ethoxy}-propane 37486-69-4 C17HF35O5
2H-全氟(5-甲基-3,6-二氧杂壬烷) 1,1,1,2,2,3,3,5,6,6,8,9,9,9-Tetradecafluoro-4,7-dioxa-5-(trifluoromethyl)-nonane 3330-14-1 C8HF17O2
2H-全氟(2-甲基戊烷) 1,1,1,2,2,3,3,5,5,5-decafluoro-4-trifluoromethyl-pentane 30320-28-6 C6HF13
2H-[1,4]恶嗪并[3,4-b][1,3]恶嗪 2h-[1,4]Oxazino[3,4-b][1,3]oxazine 300857-59-4 C7H7NO2
2H-[1,3]恶唑并[2,3-c][1,2,4]三嗪 2H-[1,3]Oxazolo[2,3-c][1,2,4]triazine 384851-48-3 C5H5N3O
2H-[1,3]噻唑并[4,5-h][1,4]苯并噻嗪 2H-[1,3]Thiazolo[4,5-h][1,4]benzothiazine 36338-76-8 C9H6N2S2
2H-1-苯并吡喃-2-酮,7-乙氧基-4,8-二甲基- Mca-R-P-P-G-F-S-A-F-K[Dnp]-OH 323577-36-2 C66H81N15O19
2H-1,4-噻嗪-3(4H)-酮,2-羟基-4-(1-甲基乙基)- N-((3S,5S)-1-(Benzo[d][1,3]dioxol-5-ylmethyl)-5-(piperazine-1-carbonyl)pyrrolidin-3-yl)-N-(3-methoxybenzyl)-3,3-dimethylbutanamide 334998-36-6 C31H42N4O5
2H-1,2,4-三氮唑-3-甲酰胺 1,2,4-triazole-3-carboxamide 3641-08-5 C3H4N4O
2H-1,2,3-三唑-4,5-二甲酰胺 2H-[1,2,3]triazole-4,5-dicarboxylic acid diamide 388623-87-8 C4H5N5O2
2H-1,2,3-三唑-2-羧酸 2H-1,2,3-Triazole-2-carboxylicacid 392317-68-9 C3H3N3O2
2H-,3H-全氟-2-己烯酸 4,4,5,5,6,6,6-Heptafluorohex-2-enoic acid 37759-76-5 C6H3F7O2
2C-G(盐酸盐) 2,5-dimethoxy-3,4-dimethylbenzeneethaneamine hydrochloride 327175-14-4 C12H19NO2*ClH
2A,7B-二甲基-2A,7B-二氢[1,2]二氧四环并[3,4-b][1]苯并呋喃 2a,7b-dihydro-2a,7b-dimethyl-1,2-dioxeto<3,4-b>benzo<d>furan 33973-15-8 C10H10O3
2',3,4-三氯联苯 2',3,4-trichlorobiphenyl 38444-86-9 C12H7Cl3
29-羟基无羁萜-3-酮 29-hydroxyfriedelin 39903-21-4 C30H50O2
27-去甲氧基-27-羟基利福霉素SV 27-Desmethoxy-27-hydroxy-rifamycin SV 31718-67-9 C36H45NO12
24-脱氧-曲张链菌素酸甲酯 methyl (7E,9Z,11R,12S,13R,14R,15R,16R,17R,18R,19R,20E)-2-acetyloxy-12,14,16,18,31-pentahydroxy-3,7,11,13,17,19,21,27-octamethyl-6,28-dioxo-23,25-dioxa-5-azatetracyclo[20.7.1.14,29.026,30]hentriaconta-1,3,7,9,20,22(30),26,29(31)-octaene-15-carboxylate 32164-26-4 C40H51NO13
24-羟基胆固醇 cholest-5-ene-3β,24ξ-diol 30271-38-6 C27H46O2
24-冠-8-醚 24-crown-8 33089-37-1 C16H32O8
24-二氯-5-异丙氧基苯硼酸 2,4-Dichloro-5-isopropoxyphenylboronic acid 325786-18-3 C9H11BCl2O3
22-甲基二十四(烷)酸 22-Methyl-tetracosansaeure 36378-43-5 C25H50O2
22-(2-甲基-2-丙烯-1-基)-14-氧杂-11,22-二氮杂七环[13.9.1.01,13.02,21.04,12.05,10.019,25]二十五-4(12),5,7,9,15(25),16,18-七烯-2,16-二醇盐酸盐(1:1) (1R,2R,13R)-22-(2-methylprop-2-enyl)-14-oxa-11,22-diazaheptacyclo[13.9.1.01,13.02,21.04,12.05,10.019,25]pentacosa-4(12),5,7,9,15,17,19(25)-heptaene-2,16-diol;hydrochloride 342884-62-2 C26H27ClN2O3
21-羟基孕甾-1,4,9(11),16-四烯-3,20-二酮-21-醋酸酯 tetraene acetate 37413-91-5 C23H26O4
21-羟基依普利酮 21-Hydroxyeplerenone 334678-67-0 C24H30O7
21-甲磺酸依可美松 Icomethasone 21-Mesylate 352315-75-4 C23H31ClO7S
21-冠醚-7 1,4,7,10,13,16,10-heptaoxacyclohenicosane 33089-36-0 C14H28O7
21-乙酰氧基-9Α-氟-11Β,16Α,17Α-三羟基孕甾-1,4-二烯-3,20-二酮 (11β,16α)-21-acetyloxy-9-fluoro-11,16,17-trihydroxypegna-1,4-diene-3,20-dione 3859-65-2 C23H29FO7
20-甲基二十二碳(烷)酸 20-methyl-docosanoic acid 36332-95-3 C23H46O2
2.6-二甲氧基苯基银 2.6-dimethoxyphenyl silver 34584-49-1 C8H9AgO2
2.6-二甲基苯硼酸频呢醇酯 2-(2,6-bismethylphenyl)-4,4,5,5-tetramethyl[1,3,2]dioxaborolane 325141-72-8 C14H21BO2
2.5-二甲基苯硼酸频呢醇酯 2-(2,5-dimethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 356570-53-1 C14H21BO2
2.4.6-三甲基苯硼酸甲酯 dimethoxy(mesityl)borane 34907-53-4 C11H17BO2
2.4.6-三氟苯硼酸频呢醇酯 4,4,5,5-tetramethyl-2-(2,4,6-trifluorophenyl)-1,3,2-dioxaborolane 325143-04-2 C12H14BF3O2
2.4-二氯甲苯密度标准物质 2,5-Dichlorobenzenesulfonic Acid Dihydrate 38484-94-5 C6H8Cl2O5S