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    中文名称 英文名称 CAS号 化学式 结构式图片
    —— 4-(3,4-Dichlorobenzyl)thieno[3,2-b ]pyrrole-5-carboxylic acid 238749-23-0 C14H9Cl2NO2S
    4-(3,4-Dichlorobenzyl)thieno[3,2-b ]pyrrole-5-carboxylic acid
    —— 4-(7H-purin-6-ylsulfanyl)but-3-en-2-one 76664-26-1 C9H8N4OS
    4-(7H-purin-6-ylsulfanyl)but-3-en-2-one
    —— 4-(N-Maleimido)phenyltrimethylammonium iodide 17804-54-5 C13H15IN2O2
    4-(N-Maleimido)phenyltrimethylammonium iodide
    —— 4-amino-2-thioxo-3-<i>p</i>-tolyl-2,3-dihydro-thiazole-5-carboxylic acid amide 57037-00-0 C11H11N3OS2
    4-amino-2-thioxo-3-<i>p</i>-tolyl-2,3-dihydro-thiazole-5-carboxylic acid amide
    —— 4-allyl-5-(3,4-dimethoxyphenyl)-4H-1,2,4-triazole-3-thiol —— C13H15N3O2S
    4-allyl-5-(3,4-dimethoxyphenyl)-4H-1,2,4-triazole-3-thiol
    —— 4-[2-(3-nitrobenzoylamino)phenoxy]phthalic acid 332367-94-9 C21H14N2O8
    4-[2-(3-nitrobenzoylamino)phenoxy]phthalic acid
    —— 4-acetamido-N-pyridin-3-ylbenzamide 5731-91-9 C14H13N3O2
    4-acetamido-N-pyridin-3-ylbenzamide
    —— 4-Amino-benzoic acid 1H-benzoimidazol-2-ylmethyl ester 435342-18-0 C15H13N3O2
    4-Amino-benzoic acid 1H-benzoimidazol-2-ylmethyl ester
    —— 4'-methylenespiro<adamantane-2,3'-<1,2>dioxolan>-5'-one 126255-68-3 C13H16O3
    4'-methylenespiro<adamantane-2,3'-<1,2>dioxolan>-5'-one
    —— 4-[(2-Hydroxyphenyl)methylidene]-3-phenyl-1,2-oxazol-5-one 54754-45-9 C16H11NO3
    4-[(2-Hydroxyphenyl)methylidene]-3-phenyl-1,2-oxazol-5-one
    —— 4,4'-Bisquinoxalindiphenylmethan 34963-37-6 C29H20N4
    4,4'-Bisquinoxalindiphenylmethan
    —— 4-Ethyl-2-phenylamino-4H-[1,3]thiazin-5-one 76780-34-2 C12H14N2OS
    4-Ethyl-2-phenylamino-4H-[1,3]thiazin-5-one
    —— 4-Chloro-3-methyl-5-(phthalimidomethyl)isoxazole 80728-25-2 C13H9ClN2O3
    4-Chloro-3-methyl-5-(phthalimidomethyl)isoxazole
    —— 4,7-Octadecadienoic acid methyl ester 56630-29-6 C19H34O2
    4,7-Octadecadienoic acid methyl ester
    —— 4-hydroxy-3,6-diphenyl-3H-1,2,4-triazine 216975-86-9 C15H13N3O
    4-hydroxy-3,6-diphenyl-3H-1,2,4-triazine
    —— 4-Jodbicyclo<5.1.0>oct-3-en 49565-05-1 C8H11I
    4-Jodbicyclo<5.1.0>oct-3-en
    —— 4-O-(2-hydroxybutyl) 1-O-[2-(2-oxoimidazolidin-1-yl)ethyl] but-2-enedioate —— C13H20N2O6
    4-O-(2-hydroxybutyl) 1-O-[2-(2-oxoimidazolidin-1-yl)ethyl] but-2-enedioate
    —— 4-Methyl-1,3-oxathiolane 24254-54-4 C4H8OS
    4-Methyl-1,3-oxathiolane
    —— 4-Iodo-N-(3-nitrobenzylidene)aniline 3495-26-9 C13H9IN2O2
    4-Iodo-N-(3-nitrobenzylidene)aniline
    —— 4-[(Trimethylsilyl)oxy]cyclohexanol 54725-69-8 C9H20O2Si
    4-[(Trimethylsilyl)oxy]cyclohexanol
    —— 4H-1-Benzopyran-4-one, 2,3-dihydro-5,7-dihydroxy-8-methyl-6-(3-methyl-2-butenyl)-2-phenyl-, (S)- 101959-25-5 C21H22O4
    4H-1-Benzopyran-4-one, 2,3-dihydro-5,7-dihydroxy-8-methyl-6-(3-methyl-2-butenyl)-2-phenyl-, (S)-
    —— 4-(Octadecylamino)-4-oxo-2-sulfobutanoic acid —— C22H43NO6S
    4-(Octadecylamino)-4-oxo-2-sulfobutanoic acid
    —— 4-Chloro-6-[(4-chloroanilino)methylidene]-2-iodocyclohexa-2,4-dien-1-one 500551-52-0 C13H8Cl2INO
    4-Chloro-6-[(4-chloroanilino)methylidene]-2-iodocyclohexa-2,4-dien-1-one
    —— 4-[Tert-butyl(dimethyl)silyl]oxypent-1-en-3-one 144193-95-3 C11H22O2Si
    4-[Tert-butyl(dimethyl)silyl]oxypent-1-en-3-one
    —— 4-(Hexadecylamino)-4-oxoisocrotonic acid 15806-42-5 C20H37NO3
    4-(Hexadecylamino)-4-oxoisocrotonic acid
    —— 4-Amino-N-(4-aminophenyl)benzenesulphonamide 16803-97-7 C12H13N3O2S
    4-Amino-N-(4-aminophenyl)benzenesulphonamide
    —— 4,4'-(1-Methylpentylidene)bisphenol 14007-30-8 C18H22O2
    4,4'-(1-Methylpentylidene)bisphenol
    —— 4-Phenanthrenol, 1-(2-(dimethylamino)ethyl)-3,5,6-trimethoxy- 101959-19-7 C21H25NO4
    4-Phenanthrenol, 1-(2-(dimethylamino)ethyl)-3,5,6-trimethoxy-
    —— 4-[(5-Hydroxy-3-methylisoxazol-4-YL)methylene]-3-methyl-(4H)isoxazol-5-one 14532-32-2 C9H8N2O4
    4-[(5-Hydroxy-3-methylisoxazol-4-YL)methylene]-3-methyl-(4H)isoxazol-5-one
    —— 4-[2-[N-(2-hydroxyethyl)anilino]ethoxy]-4-oxobut-2-enoic acid 15772-26-6 C14H17NO5
    4-[2-[N-(2-hydroxyethyl)anilino]ethoxy]-4-oxobut-2-enoic acid
    —— 4-[2-(3-Carboxyprop-2-enoyloxy)ethoxy]-4-oxobut-2-enoic acid 66790-56-5 C10H10O8
    4-[2-(3-Carboxyprop-2-enoyloxy)ethoxy]-4-oxobut-2-enoic acid
    —— 4-cyclopentadecen-1-one 35720-57-1 C15H26O
    4-cyclopentadecen-1-one
    —— 4-[Bis(4-oxopent-2-en-2-yloxy)gallanyloxy]pent-3-en-2-one —— C15H21GaO6
    4-[Bis(4-oxopent-2-en-2-yloxy)gallanyloxy]pent-3-en-2-one
    —— 4-Nonyl-o-cresol 14417-90-4 C16H26O
    4-Nonyl-o-cresol
    —— 4-Oxopent-2-en-2-olate;samarium(3+) —— C15H21O6Sm
    4-Oxopent-2-en-2-olate;samarium(3+)
    —— 4-[3-(5-Hydroxy-3-methylisoxazol-4-YL)allylidene]-3-methyl-(4H)isoxazol-5-one 14532-33-3 C11H10N2O4
    4-[3-(5-Hydroxy-3-methylisoxazol-4-YL)allylidene]-3-methyl-(4H)isoxazol-5-one
    —— 4-Quinolinamine, N-(2-phenylethyl)- 14165-12-9 C17H16N2
    4-Quinolinamine, N-(2-phenylethyl)-
    —— 4-[3-(2-Chlorophenothiazin-10-yl)propyl]piperazine-1-carboxamide 14053-35-1 C20H23ClN4OS
    4-[3-(2-Chlorophenothiazin-10-yl)propyl]piperazine-1-carboxamide
    —— [4-(13-chloro-4-azatricyclo[9.4.0.03,8]pentadeca-1(11),3(8),4,6,12,14-hexaen-2-ylidene)piperidin-1-yl]-(1-oxido-2H-pyridin-4-yl)methanone 133330-43-5 C25H23ClN3O2-
    [4-(13-chloro-4-azatricyclo[9.4.0.03,8]pentadeca-1(11),3(8),4,6,12,14-hexaen-2-ylidene)piperidin-1-yl]-(1-oxido-2H-pyridin-4-yl)methanone
    —— 4-Amino-6-(2,2-dimethyl-propyl)-3-methylsulfanyl-1,6-dihydro-4H-[1,2,4]triazin-5-one 93679-19-7 C9H18N4OS
    4-Amino-6-(2,2-dimethyl-propyl)-3-methylsulfanyl-1,6-dihydro-4H-[1,2,4]triazin-5-one
    —— 4H-Dibenzo(de,g)quinolinium, 5,6,6a,7-tetrahydro-1-hydroxy-2,9,10-trimethoxy-6,6-dimethyl-, (S)- 47476-23-3 C21H26NO4+
    4H-Dibenzo(de,g)quinolinium, 5,6,6a,7-tetrahydro-1-hydroxy-2,9,10-trimethoxy-6,6-dimethyl-, (S)-
    —— 4,4'-(1,4-Piperazinediylbis((1-methylethylene)imino))bis(7-chloroquinoline) 10547-40-7 C28H32Cl2N6
    4,4'-(1,4-Piperazinediylbis((1-methylethylene)imino))bis(7-chloroquinoline)
    —— 4,5,6-Tribrom-2-trifluormethyl-benzimidazol 7682-32-8 C8H2Br3F3N2
    4,5,6-Tribrom-2-trifluormethyl-benzimidazol
    —— (4-Benzoyl-5,6-dioxocyclohexa-1,3-dien-1-yl) 6-diazenyl-5-hydroxynaphthalene-1-sulfonate —— C23H14N2O7S
    (4-Benzoyl-5,6-dioxocyclohexa-1,3-dien-1-yl) 6-diazenyl-5-hydroxynaphthalene-1-sulfonate
    —— [4-(Dimethylamino)phenyl]phosphonous acid 4741-19-9 C8H12NO2P
    [4-(Dimethylamino)phenyl]phosphonous acid
    —— 4-Chloro-2-(4-chloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one 6275-44-1 C16H8Cl2N2O2
    4-Chloro-2-(4-chloro-1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-3H-indol-3-one
    —— 4-amino-3-methoxyphenylazobenzene-3-sulfonate sodium 6300-07-8 C13H12N3O4S*Na
    4-amino-3-methoxyphenylazobenzene-3-sulfonate sodium
    —— 4-((3-Phenyl-1,2,4-thiadiazol-5-yl)azo)-3-methyl-1-phenyl-4,5-dihydro-5-oxo-1H-pyrazole 4709-94-8 C18H14N6OS
    4-((3-Phenyl-1,2,4-thiadiazol-5-yl)azo)-3-methyl-1-phenyl-4,5-dihydro-5-oxo-1H-pyrazole
    —— 4-(4-carbamimidoylphenoxy)benzenecarboximidamide;hydron;dichloride —— C14H16Cl2N4O
    4-(4-carbamimidoylphenoxy)benzenecarboximidamide;hydron;dichloride
    —— 4,4\'-Diazidostilbene-2,2\'-disulfonic acid disodium salt 2718-90-3 C14H8N6Na2O6S2
    4,4\'-Diazidostilbene-2,2\'-disulfonic acid disodium salt