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    中文名称 英文名称 CAS号 化学式
    [4-(1,2-二溴-乙基)-苯基]-苯基砜 [4-(1,2-dibromo-ethyl)-phenyl]-phenyl sulfone 100542-58-3 C14H12Br2O2S
    [4-(1,1-二甲氧基乙基)嘧啶-2-基]苯胺 [4-(1,1-dimethoxyethyl)pyrimidin-2-yl]phenylamine 1009056-19-2 C14H17N3O2
    [4-(1,1-二甲基乙基)苯氧基]乙醛 (4-<i>tert</i>-butyl-phenoxy)-acetaldehyde 72928-50-8 C12H16O2
    [4-(1,1-二甲基乙基)环己基]甲基异丁酸酯 (4-(1,1-Dimethylethyl)cyclohexyl)methyl isobutyrate 85204-29-1 C15H28O2
    [4,8-二甲氧基呋喃并[2,3-b]喹啉-7-基]6-脱氧-alpha-L-吡喃甘露糖苷 glycoperine 55740-45-9 C19H21NO8
    [4,7-二甲氧基-6-(2-哌啶-1-基乙氧基)-1-苯并呋喃-5-基]脲 N-<4,7-dimethoxy-6-(2-piperidinoethoxy)-5-benzofuranyl>urea 75883-52-2 C18H25N3O5
    [4,5-双(4-甲氧基苯基)-1,3-恶唑-2-基]甲醇 2-hydroxymethyl-4,5-bis(4-methoxyphenyl)oxazole 735265-80-2 C18H17NO4
    [4,5-二甲氧基-2-(4-甲氧基-苯乙烯基)-苯乙基]-二甲基-胺 [4,5-dimethoxy-2-(4-methoxy-styryl)-phenethyl]-dimethyl-amine 24993-24-6 C21H27NO3
    [4,5-二甲基-3,6-二氧代-1,4-环己二烯-1,2-二基二(亚甲基氧基)]二(甲酸苯基)酯 Carbonic acid, (4,5-dimethyl-3,6-dioxo-1,4-cyclohexadien-1,2-diyl)bis(methylene)diphenyl ester 40870-70-0 C24H20O8
    [4,5-二乙酰氧基-6-(乙酰氧基甲基)-2-(4-甲氧基-2-氧代-嘧啶-1-基)四氢吡喃-3-基]2,2,2-三氯乙酸酯 [4,5-Diacetyloxy-6-(acetyloxymethyl)-2-(4-methoxy-2-oxopyrimidin-1-yl)oxan-3-yl] 2,2,2-trichloroacetate 7506-40-3 C19H21Cl3N2O11
    [4,5-二(二甲氨基)萘-1-基]甲醇 1-hydroxymethyl-4,5-bis(dimethylamino)naphthalene 135236-06-5 C15H20N2O
    [4,4-联吡啶]-3-胺 3-amino-4,4′-bipyridine 52311-43-0 C10H9N3
    [4,4-联吡啶]-2,2,6,6-四羧酸四乙酯 2,2',6,6'-Tetraethoxycarbonyl-4,4'-bipyridine 124558-63-0 C22H24N2O8
    [4,4-二甲基-3-(三氟甲基)戊-1-烯-3-基]苯 4,4-dimethyl-3-phenyl-3-(trifluoromethyl)-1-pentene 821799-68-2 C14H17F3
    [4,4,5,5,6,6,7,7,8,8,9,9,10,11,11,11-十六氟-2-羟基-10-(三氟甲基)十一烷基]三甲基铵碘化物 [4,4,5,5,6,6,7,7,8,8,9,9,10,11,11,11-Hexadecafluoro-2-hydroxy-10-(trifluoromethyl)undecyl]trimethylammonium iodide 80909-29-1 C15H15F19INO
    [4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,13-二十一氟-2-羟基三decan-1-基][双(2-羟基乙基)]甲基铵碘化物 (4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,13-Henicosafluoro-2-hydroxytridecan-1-yl)(bis(2-hydroxyethyl))methylammonium iodide 93776-17-1 C18H19F21INO3
    [4,4']联[苯并[去]蒽基]-7,7'-二酮 4,4'-dibenzanthronyl 116-90-5 C34H18O2
    [4,4'-联苯二基二(氧基-4,1-亚苯基)]二[(2-羟基苯基)甲酮] ((1,1'-Biphenyl)-4,4'-diylbis(oxy-4,1-phenylene))bis((2-hydroxyphenyl)) ketone 39203-98-0 C37H24O5
    [4,4'-联苯二基二(氧基)]二(三甲基硅烷) bistrimethyl(4,4'-biphenoxy)silane 1094-86-6 C18H26O2Si2
    [4,4'-双(1,1-二甲基乙基)-2,2'-联吡啶]二氯化镍(II) NiCl2.dtbbpy 1034901-50-2 C18H24Cl2N2Ni
    [4,4''-氧化偶氮基二(2,2'-二磺酸根芪-4,4'-二基偶氮)]-二[5'-磺酸根苯-2,2'-二醇酸根-O(2),O(2),N(1)]-铜(II)六钠 6-Ethylidenebicyclo(2.2.1)hept-2-yl propionate 73347-78-1 C12H18O2
    [4,4''-双（1,1-二甲基乙基）-2,2''-联吡啶-κN，κN]双[5-氟-2-（5-甲基-2-吡啶基-κN）苯基-κC六氟磷酸铱 (4,4'-di-tert-butyl-2,2'-dipyridyl)-bis-(5-methyl-2-(4-fluorophenyl)pyridine(-1H))-iridium(III) hexafluorophosphate 808142-88-3 C42H42F2IrN4*F6P
    [4,4''-二叔丁基-2,2''-联吡啶][双[5-（叔丁基）-2-[4-（叔丁基）-2-吡啶基-kN]苯基-kC]六氟磷酸铱（III） Ir[(dtbpy)(dtppy)<sub>2</sub>]PF<sub>6</sub> 808142-80-5 C56H72IrN4*F6P
    [4(S)-[反式(反式)]]-1,3-二氟-2-[(1-甲基庚基)氧基]-5-(4'-丙基[1,1'-联环己基]-4-基)苯 [4(s)-[trans(trans)]]-1,3-Difluoro-2-[(1-methylheptyl)oxy]-5-(4'-propyl[1,1'-bicyclohexyl]-4-yl)benzene 185207-90-3 C29H46F2O
    [4(4-溴代苯甲酰基)苯基]-(4-溴苯基)甲酮 1,4-bis(4-bromobenzoyl)benzene 52497-29-7 C20H12Br2O2
    [4'-（1,3-二氧戊环-2-基）[1,1'-联苯]-4-基]-甲醇 [4'-(1,3-Dioxolan-2-yl)[1,1'-biphenyl]-4-yl]methanol 889954-12-5 C16H16O3
    [4'-[3-甲基-4-[[[((R)-1-苯基乙基)氧基]羰基]氨基]异恶唑-5-基]联苯-4-基]乙酸 AM095 1228690-36-5 C27H24N2O5
    [4'-(三氟甲基)-2-联苯基]甲醇 (4'-(trifluoromethyl)-[1,1'-biphenyl]-2-yl)methanol 773871-77-5 C14H11F3O
    [4'-(4'-氨基-4-联苯基)-2,2':6',2''-三联吡啶-6,6''-二基双(甲基亚氨基二乙酸根)]铕(III)酸钠 ATBTA-Eu3+ 601494-52-4 C37H30EuN6NaO8
    [4'-(2-甲基-2-丙基)-4-联苯基]硼酸 (4'-tert-butyl-[1,1'-biphenyl]-4-yl)boronic acid 501944-49-6 C16H19BO2
    [({[4,6-O-(苯基甲亚基)-2-O-(硫烷基羰基)-α-D-吡喃葡萄糖基]氧代}甲基)二硫烷基]甲基4,6-O-(苯基甲亚基)-2-O-(硫烷基羰基)-α-D-吡喃葡萄糖苷 —— 28600-35-3 AuH2NaO3S
    [({[(4Z)-6-氯-1-[(2,4-二氯苯基)羰基]-3-甲基-2,3-二氢喹啉-4(1H)-亚基]氨基}氧代)磺酰]氧烷化钾 Hydroxylamine-O-sulfonic acid, N-(6-chloro-1-(2,4-dichlorobenzoyl)-2,3-dihydro-3-methyl-4(1H)-quinolinylidene)-, potassium salt 114428-03-4 C17H12Cl3KN2O5S
    [(4aS,9aS)-2,4a,9-三甲基-4,9a-二氢-3H-恶嗪并[6,5-b]吲哚-6-基] N-庚基氨基甲酸酯 (-)-2,3,4,4a,9,9a-Hexahydro-2,4aα,9α-trimethyl-1,2-oxazino<6,5-b>indol-6-ol n-heptylcarbamate 147650-57-5 C21H33N3O3
    [(4aS,7S,8aR)-2-乙基-2-甲基-3,4,4a,5,6,7,8,8a-八氢-1H-异喹啉-2-鎓-7-基]4-甲氧基苯甲酸酯溴化物 [(4aS,7S,8aR)-2-ethyl-2-methyl-3,4,4a,5,6,7,8,8a-octahydro-1H-isoquinolin-2-ium-7-yl] 4-methoxybenzoate;bromide 28798-18-7 C20H30BrNO3
    [(4aS,4bR,6aS,8S,10aS,10bS,12aS)-10a,12a-二甲基-1,2,3,4,4a,4b,5,6,6a,7,8,9,10,10b,11,12-十六氢萘并[6,5-f]喹啉-8-基]2-[4-[二(2-氯乙基)氨基]苯基]乙酸酯 3-Hydroxy-17-aza-D-homoandrostan-4-N,N-bis(2-chloroethyl)aminophenylacetate 146678-51-5 C31H46Cl2N2O2
    [(4aS,4bR,6aS,8S,10aS,10bS,12aS)-1,10a,12a-三甲基-2-氧代-3,4,4a,4b,5,6,6a,7,8,9,10,10b,11,12-十四氢萘并[6,5-f]喹啉-8-基]2-[4-[二(2-氯乙基)氨基]苯基]乙酸酯 3-Hydroxy-N-methyl-17-aza-D-homoandrostan-17-one-4-N,N-bis(2-chloroethyl)aminophenylacetate 146678-52-6 C32H46Cl2N2O3
    [(4aS)-4,4aalpha,5,6-四氢-5beta-乙烯基-1-氧代-1H,3H-吡喃并[3,4-c]吡喃-6alpha-基]3-O-乙酰基-2-O-(3-羟基苯甲酰基)-beta-D-吡喃葡萄糖苷 Centapicrin 59193-73-6 C25H28O12
    [(4aR,5R,7R,7aR)-5-(羟基甲基)-2,3,4a,5,7,7a-六氢呋喃并[3,4-b][1,4]二恶英-7-基]甲醇 2,5-anhydro-3,4-O-(1,2-ethanediyl)-D-mannitol 149297-15-4 C8H14O5
    [(4Z,14E)-12-{[3,6-二脱氧-3-(二甲氨基)六吡喃糖基]氧代}-2-乙基-9,11,13-三甲基-8,16-二羰基氧杂环十六碳-4,14-二烯-3-基]甲基6-脱氧-2,3-二-O-甲基六吡喃糖苷 Dmdm IV 83883-27-6 C37H63NO12
    [(4S,6S)-4,6-二甲基-3,7-二氧代壬-5-基]6-(6-乙基-3,5-二甲基-4-氧代吡喃-2-基)-3-羟基-2,2,4-三甲基-5-氧代己酸酯 Baconipyrone C 123003-47-4 C29H44O8
    [(4S,5S)-4-苯甲基-2-羰基-1,3-噁唑烷-5-基]甲基4-硝基苯磺酸酯 p-nitrobenzenesulphonic acid (4S,5S)-4-benzyl-2-oxo-oxazolidin-5-ylmethyl ester 162221-28-5 C17H16N2O7S
    [(4S,5R)-4-氟-5-(6-甲基氨基嘌呤-9-基)四氢呋喃-2-基]甲醇 N<sup>6</sup>-methyl-9-(2',3'-dideoxy-2'-fluoro-β-D-arabinofuranosyl)adenine 126502-17-8 C11H14FN5O2
    [(4S,12Z)-18-羟基-4-甲基-2,8-二氧代-3-氧杂双环[12.4.0]十八碳-1(18),12,14,16-四烯-16-基]硫酸氢酯 Zearelenone-4-sulfate 132505-04-5 C18H22O8S
    [(4S)-7,7-二甲基-2-羰基二环[2.2.1]庚-1-基]甲磺酸-二乙基-lambda~2~-锡烷(2:1) γ-L-glutamyl-[S-(2-hydroxyethyl)-L-cysteinyl]glycine 28747-20-8 C12H21N3O7S
    [(4S)-4-{[(9H-芴-9-基甲氧基)羰基]氨基}-3-氧代-1,3,4,5-四氢-2H-2-苯并氮杂卓-2-基]乙酸 (S)-Fmoc-4-amino-2-carboxymethyl-1,3,4,5-tetrahydro-2H-[2]-benzazepin-3-one 264273-08-7 C27H24N2O5
    [(4S)-4,4a,5,6,7,8,8aalpha,9-八氢-8alpha-羟基-3,4abeta,5-三甲基-9-氧代萘并[2,3-b]呋喃-4beta-基]2-甲基丙酸酯 Bohlmann K1922 55050-48-1 C19H26O5
    [(4S)-2-氧代-1,3-恶唑烷-4-基]甲基4-甲基苯磺酸盐 (S)-(2-oxooxazolidin-4-yl)methyl 4-methylbenzenesulfonate 154669-49-5 C11H13NO5S
    [(4S)-2,2-二甲基-1,3-二氧戊环-4-基]甲基 3-[4-[(2S)-2-羟基-3-[2-(吗啉-4-甲酰氨基)乙基氨基]丙氧基]苯基]丙酸酯盐酸盐 Landiolol hydrochloride 144481-98-1 C25H39N3O8*ClH
    [(4R,8R,10R,13S,17S)-3-(苯甲酰-甲基-氨基)-17-(1-二甲氨基乙基)-16-羟基-10,13-二甲基-2,3,4,5,6,7,8,9,11,12,14,15,16,17-十四氢-1H-环戊二烯并[a]菲-4-基]乙酸酯 Paxillarine A 145022-89-5 C33H50N2O4
    [(4R,6R)-6-(氰基甲基)-2,2-二甲基-1,3-二恶烷-4-基]乙酸 [(4R,6R)-6-(Cyanomethyl)-2,2-dimethyl-1,3-dioxan-4-yl]acetic acid 807312-27-2 C10H15NO4