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中文名称 英文名称 CAS号 化学式
3 -氟苄基异硫氰酸酯 3-fluorobenzyl isothiocyanate 63351-94-0 C8H6FNS
2,5-二氯异烟酸乙酯 ethyl-2-chloro-5-chloroisonicotinate 603122-76-5 C8H7Cl2NO2
2,3-二溴-1-丙胺氢溴酸盐 2,3-dibromopropylamine hydrobromide 6963-32-2 BrH*C3H7Br2N
2,2’-联萘酚 2,2'-binaphthalene 612-78-2 C20H14
2′-脱氧胞苷 水合物 2'-deoxycytidine monohydrate 652157-52-3 C9H13N3O4*H2O
2′-羟基-4′-甲基苯乙酮 4'-hydroxy-2'-methylacetophenone 6921-64-8 C9H10O2
2′-氯-2-羟基-5-甲基二苯甲酮 (2-chlorophenyl)(2-hydroxy-5-methylphenyl)methanone 6280-52-0 C14H11ClO2
2′,5-二氯-2-羟基二苯酮 SL 81.0196 61785-35-1 C13H8Cl2O2
2′,3′-二脱氧胞苷5′-三磷酸钠盐 2',3'-dideoxycytidine-5'-triphosphate 66004-77-1 C9H16N3O12P3
2’-甲酰(1,1’-联苯)-2-羧酸 2-(2-formyl-phenyl)-benzoic acid 6720-26-9 C14H10O3
2’-氯-联苯-3-甲醛 2'-chloro-[1,1'-biphenyl]-3-carbaldehyde 675596-30-2 C13H9ClO
2’-乙氧基羰基甲氧基-4’-(3-甲基-2-丁烯氧基)苯乙酮 2-(ethoxycarbonylmethoxy)-4-(3-methyl-2-butenyloxy)-acetophenone 64506-46-3 C17H22O5
2’-丁氧基-2,6-二氨基-3,5’-偶氮吡啶 Niazo 617-19-6 C14H18N6O
2’-(beta-溴乙基磷酰)-5’-硝基十六烷苯胺 2'-(β-Bromethylphosphoryl)-5'-nitro-hexadecananilid 60301-90-8 C24H40BrN2O7P
2’,3’,4’,5’-四氟苯乙酮 2',3',4',5'-tetrafluoroacetophenone 66286-21-3 C8H4F4O
2Α-羟甲基-17Β-羟基-17Α-乙炔基-雄甾-4-烯-3-酮 2-Hydroxymethylethisterone 67110-85-4 C22H30O3
2ˊ-脱氧胞苷-3ˊ-一磷酸 2'-deoxycytidine 3'-monophosphate 6220-63-9 C9H14N3O7P
2lambda3-氯-2-甲基-1(5)-苯并硒唑 3-Chloro-2-methyl-1,2lambda(5)-benzoselenazole 60940-25-2 C8H7ClNSe+
2alpha,3beta-[[(3aR,4S,7aR)-7,7alpha-二氢-4H-1,3-二氧杂环戊并[4,5-c]吡喃-3a,4(6H)-二基]二(氧基)]-11alpha,14-二羟基-12-氧代心甾-4,20(22)-二烯内酯 Elaeodendroside A 64144-98-5 C29H36O10
2a,3,5,6,11a,11b-六氢-3-羟基-2a,6,10-三甲基-3-(1-甲基丙基)-6,9-环氧-2H-1,4-二氧杂环癸[cd]并环戊二烯-2,7(4ah)-二酮 Eremantholide B 69883-96-1 C20H26O6
2a,3,3a,5a,6,6a,6b,6c-八氢-二环戊烷并(cd,gh)并环戊二烯 Dodecahydrodicyclopenta[cd,gh]pentalene 60606-96-4 C12H18
2a,2b,4a,4b-四氢-环丙并(cd)并环戊二烯 semibullvalene 6909-37-1 C8H8
2`,4-二羟基-3`,4`,6`-三甲氧基查尔酮 2',4-hydroxy-3',4',6'-trimethoxychalcone 69616-74-6 C18H18O6
2H-苯并咪唑-2-酮 1-(2-hydroxy-ethyl)-1,3-dihydro-benzoimidazol-2-one 63388-01-2 C9H10N2O2
2H-苯并[4,5]噻唑并[2,3-c][1,2,4]噻唑-3-硫酮 benzo[4,5]thiazolo[2,3- c][1,2,4]triazole-3-thiol 6957-85-3 C8H5N3S2
2H-四唑高氯酸盐 tetrazolium perchlorate 64890-08-0 CH2N4*ClHO4
2H-噻喃-3,5(4H,6H)-二酮 tetrahydrothiopyran-3,5-dione 6881-49-8 C5H6O2S
2H-吡嗪并[1,2-a]氮杂环辛四烯 2h-Pyrazino[1,2-a]azocine 638200-05-2 C10H10N2
2H-吡喃-6-甲醛 Pyralene 62251-11-0 C6H6O2
2H-吡喃-3,5(4H,6H)-二酮 2H-pyran-3,5(4H,6H)-dione 61363-56-2 C5H6O3
2H-吡喃-2-酮-6-羧酸 2-oxo-2H-pyran-6-carboxylic acid 672-67-3 C6H4O4
2H-吡啶并[3,2-D][1,3]恶嗪-2,4(1H)-二酮 2H-pyrido[3,2-d][1,3]oxazine-2,4-(1H)-dione 63016-85-3 C7H4N2O3
2H-九氟丁烷 2H-nonafluorobutane 680-17-1 C4HF9
2H-[1,2,4]噻唑-3-磺酰氯 1H-1,2,4-triazole-3-sulfonyl chloride 6461-29-6 C2H2ClN3O2S
2H,4h,5h,6h,7h,7ah-噻吩并[3,2-c]吡啶-2-酮盐酸盐 3-methylbiphenyl-4-amine 63019-98-7 C13H13N
2ALPHA-羟基羽扇豆醇 2α,3β-dihydroxylup-20(29)-ene 61448-03-1 C30H50O2
27-去甲-3,7,12-三氢粪甾烷-24-酮 27-nor-3α,7α,12α-trihydroxycoprostan-24-one 61628-32-8 C26H44O4
26-羟基胆骨化醇 26-Hydroxycholecalciferol 69556-15-6 C27H44O2
26-(4-壬基苯氧基)-3,6,9,12,15,18,21,24-八氧杂二十六烷-1-基乙酸酯 26-(4-Nonylphenoxy)-3,6,9,12,15,18,21,24-octaoxahexacosan-1-yl acetate 67845-40-3 C35H62O11
25-羟基胆固醇基油酸酯 25-Hydroxycholesteryl oleate 68947-34-2 C45H78O3
25-羟基维他命D33-半琥珀酸盐 25-hydroxyvitamin D3 3-hemisuccinate 69511-19-9 C31H48O5
25-氟胆固醇 25-fuoro-5-cholesten-3β-ol 64164-45-0 C27H45FO
25-去(1-甲基丙基)-25-(1-甲基乙基)-阿维菌素A1a Avermectin A<sub>1b</sub> 65195-52-0 C48H72O14
25-二羟基维生素D2 ercalcitriol 60133-18-8 C28H44O3
246-三甲基三苯胺 2,4,6-trimethyl-N,N-diphenylaniline 603134-65-2 C21H21N
24-去氢胆骨化醇 (1R,3Z)-3-[(2E)-2-[(1R,3aS,7aR)-7a-methyl-1-[(2R)-6-methylhept-5-en-2-yl]-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexan-1-ol 63819-59-0 C27H42O
24,25-二羟基达马树脂-20-烯-3-酮 24(R),25-dihydroxydammar-20-en-3-one 63543-53-3 C30H50O3
23-O-乙酰基-升麻新醇木糖苷 23-O-acetylshengmanol-3-O-β-D-xylopyranoside 62498-88-8 C37H58O10
22-二十三碳烯酸 ω-tricosenoic acid 65119-95-1 C23H44O2
22,29,30-三去甲新何帕-13(18)-烯 22,29,30-trinor-28(18-> 17S)abeo-hop-13(18)-ene 63543-60-2 C27H44