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    中文名称 英文名称 CAS号 化学式
    4,5,5-三甲基-2-氧代-2,5-二氢-3-呋喃甲腈 4,5,5-trimethyl-2-oxo-2,5-dihydro-furan-3-carbonitrile 13332-71-3 C8H9NO2
    4,5,5-三甲基-2-氧代-1,3-恶唑烷-4-羧酸 4,5,5-trimethyl-2-oxo-oxazolidine-4-carboxylic acid 100911-43-1 C7H11NO4
    4,5,5-三甲基-2-庚酮 4,5,5-trimethyl-2-heptanone 79996-74-0 C10H20O
    4,5,5-三甲基-2-(1-苯基庚-1-烯-2-基)-1,3-二恶烷 4,5,5-trimethyl-2-[(E)-1-phenylhept-1-en-2-yl]-1,3-dioxane 6309-48-4 C20H30O2
    4,5,5-三甲基-1,3-二恶烷 4,5,5-Trimethyl-1,3-dioxane 6301-68-4 C7H14O2
    4,5,5-三氯-2,4-二甲基-1,2-噻唑烷-3-酮 2.4-Dimethyl-4.5.5-trichlor-isothiazolidin-3-on 54414-90-3 C5H6Cl3NOS
    4,5,5-三氟-4-戊烯酸 4,5,5-trifluoropent-4-enoic acid 110003-22-0 C5H5F3O2
    4,5,5,6,6,6-六氟-4-(三氟甲基)己酸 4,5,5,6,6,6-hexafluoro-4-(trifluoromethyl)hexanoic Acid 239463-95-7 C7H5F9O2
    4,5,5,5-四氟-4-三氟甲基-2-碘戊烷-1-OL 4,5,5,5-tetrafluoro-2-iodo-4-trifluoromethylpentan-1-ol 114810-56-9 C6H6F7IO
    4,5,5,5-四氟-4-三氟甲基-2-戊酸 4,5,5,5-Tetrafluoro-4-(trifluoromethyl)pent-2-enoic acid 243139-64-2 C6H3F7O2
    4,5,5,5-四氟-4-(三氟甲基)戊酸 4,5,5,5-tetrafluoro-4-(trifluoromethyl)pentanoic acid 243139-62-0 C6H5F7O2
    4,5,5,5-四氟-4-(三氟甲基)戊烷-2-酮 4,5,5,5-Tetrafluoro-4-(trifluoromethyl)pentan-2-one 261760-96-7 C6H5F7O
    4,5,5,5-四氟-4-(三氟甲基)戊烷-1-醇 4,5,5,5-tetrafluoro-4-trifluoromethylpentanol 29819-73-6 C6H7F7O
    4,5,5,5-四氟-4-(七氟丙氧基)戊酸 4,4,5,5-Tetrafluoro-5-(1,2,2,2-tetrafluoro-1-trifluoromethyl-ethoxy)-pentanoic acid 28793-36-4 C8H5F11O3
    4,5,5,5-四氟-2-甲基-4-(三氟甲基)戊-2-烯-3-基异丁酸酯 [4,5,5,5-Tetrafluoro-2-methyl-4-(trifluoromethyl)pent-2-en-3-yl] 2-methylpropanoate 80553-03-3 C11H13F7O2
    4,5,5,5-三氟-4-戊烯-1-醇 4,5,5-Trifluoro-4-ene pentanol 109993-33-1 C5H7F3O
    4,5,11-三甲基喹啉并[2,3-b]吲哚 5,9,10-Trimethyl-10H-10,11-diaza-benzo[b]fluorene 125157-97-3 C18H16N2
    4,5,10-三羟基-7-甲基-1,1-二(3-甲基丁-2-烯基)蒽-2-酮 Vismin 73210-82-9 C25H28O4
    4,5,10-三羟基-7-甲基-1,1,8-三(3-甲基丁-2-烯基)蒽-2-酮 3,8,9-trihydroxy-6-methyl-4,4,5-tris(3-methylbut-2-enyl)anthracen-1(4H)-one 3736-60-5 C30H36O4
    4,5,10-三甲基苯并[a]蒽 Benz(a)anthracene, 4,5,10-trimethyl- 18429-71-5 C21H18
    4,5,10,11-四正辛基蒽[2,1：b，6,5：b']二噻吩 4,5,10,11-Tetra-n-octyl-anthra[2,1:b ,6,5:b' ]dithiophene 1356371-05-5 C16H14Br2O2S2
    4,5'-二甲基异补骨脂素 4,5'-dimethylangelicin 4063-41-6 C13H10O3
    4,5'-二甲基-8-甲氧基补骨脂素 4,5'-dimethyl-8-methoxypsoralen 5307-51-7 C14H12O4
    4,5'-[异亚丙基二[(4,1-亚苯基)氧基]]二(异苯并呋喃-1,3-二酮) 4-(2,3-dicarboxyphenoxy)-4'-(3,4-dicarboxyphenoxy)diphenyl-2,2-propane dianhydride 53196-94-4 C31H20O8
    4,4二氟丁炔酸乙酯 ethyl 4,4-difluorobut-2-ynoate 129922-56-1 C6H6F2O2
    4,4′-联吡啶 水合物 4,4'-bipyridine dihydrate 123333-55-1 C10H8N2*2H2O
    4,4′-双(巯甲基)联苯 4,4'-bis(mercaptomethyl)biphenyl 43012-19-7 C14H14S2
    4,4′-偶氮吡啶 4,4′-azopyridine 2632-99-7 C10H8N4
    4,4′-亚甲基-13C-二苯胺 4,4'-Methylene-13C-dianiline 190778-00-8 C13H14N2
    4,4′-二硝基二苯基二氨基脲 1,5-bis-(4-nitro-phenyl)-carbonohydrazide 622-69-5 C13H12N6O5
    4,4′-二异硫氰酰-2,2′-基二磺酸二钠盐 Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-isothiocyanato- 53005-05-3 C16H10N2O6S4
    4,4′-二巯基二苯乙烯 trans-4,4'-dimercaptostilbene 614756-39-7 C14H12S2
    4,4′-二(4-氨基苯氧基)二苯醚 bis[4-(4-aminophenoxy)phenyl]ether 13080-88-1 C24H20N2O3
    4,4′-[（8,16-二氢-8,16-二氧二苯并[a，j]苝-2,10-二基）二氧基]二丁酸二（N-琥珀酰亚胺酯） di-N-succinimidyl 4,4'-[2,10-(8,16-dihydro-8,16-dioxodibenzo[a,j]perylene)bis(oxy)]bisbutanoate 243670-15-7 C44H32N2O12
    4,4′-[（8,16-二氢-8,16-二氧二苯并[a，j]苝-2,10-二基）二氧基]二丁酸 4,4'-[2,10-(8,16-dihydro-8,16-dioxodibenzo[a,j]perylene)bis(oxy)]bisbutanoic acid 243670-14-6 C36H26O8
    4,4′-(1,3-亚苯基二异亚丙基)二苯酚 bisphenol M 13595-25-0 C24H26O2
    4,4’’-(氯(苯基)亚甲基)双(氟苯) bis(4-fluorophenyl)phenylchloromethane 379-54-4 C19H13ClF2
    4,4’4’’-三(N,N-二苯基氨基)三苯基胺 tris(4-diphenylaminophenyl)amine 105389-36-4 C54H42N4
    4,4’-草酰二苯甲酸二甲酯 dimethyl 4,4'-oxalyldibenzoate 66553-02-4 C18H14O6
    4,4’-联苯醌 diphenoquinone 494-72-4 C12H8O2
    4,4’-联吡啶硫 4,4'-thiobispyridine 37968-97-1 C10H8N2S
    4,4’-联吡啶-D8 4,4'-bipyridine-d<sub>8</sub> 132125-39-4 C10H8N2
    4,4’-环己基亚甲基二苯酚 2,2-bis(4-hydroxyphenyl)methylenecyclohexane 5189-40-2 C19H20O2
    4,4’-氧双(1,4-亚苯基)二硼酸 4.4'-Oxybisphenylborsaeure 19014-29-0 C12H12B2O5
    4,4’-氧化双苯磺酰氯 Oxo-bis-benzenesulfonyl chloride 30847-93-9 C12H8Cl2O5S2
    4,4’-氧化偶氮苯甲醚-D6 4,4'-bis(<(2)H3>methoxy)azoxybenzene 34172-21-9 C14H14N2O3
    4,4’-氧代双苯甲酸二甲酯 dimethyl 4,4'-oxydibenzoate 14387-30-5 C16H14O5
    4,4’-异亚丙基苯酚与甲醛的聚合物 Formaldehyde; 4-[2-(4-hydroxyphenyl)propan-2-yl]phenol 25085-75-0 C16H18O3
    4,4’-双叔丁基二苯基甲烷 1,1-bis(4-t-butylphenyl)methane 19099-48-0 C21H28
    4,4’-双[(4-溴苯基)苯氨基]联苯 N4,N4'-bis(4-bromophenyl)-N4,N4'-diphenyl-[1,1'-biphenyl]-4,4'-diamine 344782-48-5 C36H26Br2N2