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    中文名称 英文名称 CAS号 化学式
    4-噻唑乙酸,2-(甲酰基氨基)-a-[[(2-甲酰基肼基)羰基乙酰基]氨基]-,1,1-二甲基乙基酯 2-(2-formylamino-1,3-thiazol-4-yl)-2-(3-formylcarbazoyl)carbonylaminoacetic acid tert-butyl ester 105588-84-9 C13H17N5O6S
    4-噻唑乙酸,2-(甲酰基氨基)-a-[[(2-甲酰基肼基)羰基乙酰基]氨基]- 2-(2-formylamino-1,3-thiazol-4-yl)-2-(3-formylcarbazoyl)carbonylaminoacetic acid 105575-00-6 C9H9N5O6S
    4-噻唑乙酸,2-(1-甲基乙基)- 2-[2-(Propan-2-yl)-1,3-thiazol-4-yl]acetic acid 165315-98-0 C8H11NO2S
    4-噻吩-2-硼酸甲酯 methyl 4-(2-thienyl)benzoate 17595-86-7 C12H10O2S
    4-噻吩-2-基嘧啶 4-(thiophene-2-yl)pyrimidine 19084-26-5 C8H6N2S
    4-噻吩-2-基哌啶 4-(thiophen-2-yl)piperidine 198334-38-2 C9H13NS
    4-噻吩-2-基-2,4-二氧丁酸 4-thienyl-2,4-dioxobutanoic acid 105356-57-8 C8H6O4S
    4-噌啉胺,8-氯- 8-Chloro-cinnolin-4-ylamine 187231-28-3 C8H6ClN3
    4-噌啉羧酸,甲基酯 methyl cinnoline-4-carboxylate 107858-67-3 C10H8N2O2
    4-噌啉甲腈 4-Cinnolinecarbonitrile 16470-90-9 C9H5N3
    4-噁唑羧酸,5-乙基-2-苯基- 5-ethyl-2-phenyloxazole-4-carboxylic acid 138676-18-3 C12H11NO3
    4-噁唑羧酸,5-(3-溴苯基)-,乙基酯 3-((Dibutylamino)methyl)-5-cinnamylidene-2-(phenylimino)-4-thiazolidinone 104123-86-6 C27H33N3OS
    4-噁唑羧酸,4-乙氧基-4,5-二氢-2-甲氧基-,乙基酯(9CI) 2-[[3-[4-[(2-Bromoacetyl)amino]phenyl]-2-[carboxymethyl-[(2-hydroxyphenyl)methyl]amino]propyl]-[(2-hydroxyphenyl)methyl]amino]acetic acid 126926-47-4 C29H32BrN3O7
    4-噁唑羧酸,4-(4-氟苯基)-4,5-二氢-2-甲基-5-羰基-,乙基酯 Ethyl 4-(4-fluorophenyl)-2-methyl-5-oxo-1,3-oxazole-4-carboxylate 162247-71-4 C13H12FNO4
    4-噁唑羧酸,2-[[6-甲酰基-2-(2,4,6-三甲苯基)-1,3-二噁烷-4-基]甲基]-,甲基酯 methyl 2-[[(4R,6S)-6-formyl-2-(2,4,6-trimethylphenyl)-1,3-dioxan-4-yl]methyl]-1,3-oxazole-4-carboxylate 105228-54-4 C20H23NO6
    4-噁唑羧酸,2-[2-(1H-吲哚-3-基)-1-[[(苯基甲氧基)羰基]氨基]乙基]-5-甲基-,乙基酯,(R)- ethyl 2-[(1R)-2-(1H-indol-3-yl)-1-(phenylmethoxycarbonylamino)ethyl]-5-methyl-1,3-oxazole-4-carboxylate 168470-79-9 C25H25N3O5
    4-噁唑甲醛 1,3-oxazole-4-carboxaldehyde 118994-84-6 C4H3NO2
    4-噁唑甲醇 oxazol-4-ylmethanol 155742-48-6 C4H5NO2
    4-噁唑烷羧酸,5-(1-甲基乙基)-2-羰基-,(4S-顺)-(9CI) 2,2',4-tribromodiphenyl ether 147217-75-2 C12H7Br3O
    4-噁唑烷羧酸,5-(1-甲基乙基)-2-羰基-,(4S-反)-(9CI) 2-Cdippo 107316-26-7 C18H14Cl4N2O
    4-噁-1,9-二氮杂螺[5.5]十一烷-9-羧酸叔丁酯 tert-butyl 4-oxa-1,9-diazaspiro[5.5]undecane-9-carboxylate 1160247-04-0 C13H24N2O3
    4-嘧啶铵,N,N,N-三甲基-6-(3-甲基丁基)-,氯化 trimethyl-[6-(3-methylbutyl)pyrimidin-4-yl]azanium;chloride 138836-09-6 C12H22N3*Cl
    4-嘧啶醇,5-甲氧基-6-甲基-(7CI,8CI) 5-Methoxy-6-methyl-4-pyrimidinol 1751-29-7 C6H8N2O2
    4-嘧啶胺,N-丁基-N-乙基-2,5-二甲基-6-(2,4,6-三甲基苯氧基)- Butyl-[2,5-dimethyl-6-(2,4,6-trimethyl-phenoxy)-pyrimidin-4-yl]-ethyl-amine 175139-53-4 C21H31N3O
    4-嘧啶胺,6-(1-乙基丙氧基)-2-甲基-5-硝基-N-(2,4,6-三甲苯基)- [6-(1-ethyl-propoxy)-2-methyl-5-nitro-pyrimidin-4-yl]-(2,4,6-trimethyl-phenyl)-amine 175140-16-6 C19H26N4O3
    4-嘧啶羰酰氯 pyrimidine-4-carbonyl chloride 184951-32-4 C5H3ClN2O
    4-嘧啶羧酸,6-氨基-2-[[[(4-甲基苯基)磺酰]氧代]甲基]-,乙基酯 6-amino-4-(ethoxycarbonyl)-2-<((p-toluenesulfonyl)oxy)methyl>pyrimidine 138899-45-3 C15H17N3O5S
    4-嘧啶羧酸,5,6-二氨基- 5,6-Diaminopyrimidine-4-carboxylic acid 16008-49-4 C5H6N4O2
    4-嘧啶硫醇,2,5-二氨基-(6CI,8CI) 2,5-Diamino-4-mercaptopyrimidin 14631-10-8 C4H6N4S
    4-嘧啶甲腈,6-(3-甲基丁基)- 6-(3-methylbutyl)-4-pyrimidinecarbonitrile 138835-85-5 C10H13N3
    4-嘧啶亚胺代甲酰肼 N-aminopyrimidine-4-carboximidamide 18091-46-8 C5H7N5
    4-嘧啶乙酸乙酯 ethyl 2-(pyrimidin-4-yl)acetate 1240606-58-9 C8H10N2O2
    4-喹啉胺,N-[4-[[4-[二(2-氯乙基)氨基]苯基]硫代]苯基]- N-[4-[4-[bis(2-chloroethyl)amino]phenyl]sulfanylphenyl]quinolin-4-amine 139117-20-7 C25H23Cl2N3S
    4-喹啉羰基氯化,2-丁氧基- 2-butoxy-4-quinolinecarbonyl chloride 10249-04-4 C14H14ClNO2
    4-喹啉羰基氯化,2-(4-溴苯基)- 2-(4-bromophenyl)-4-quinolinecarbonyl chloride 103914-53-0 C16H9BrClNO
    4-喹啉羰基氯化,2-(2-甲氧苯基)- 2-(2-methoxyphenyl)quinoline-4-carbonyl Chloride 174636-72-7 C17H12ClNO2
    4-喹啉羧酸,7-氯-6-甲氧基-2-(4-甲氧苯基)- 7-Chlor-6-methoxy-2-(4-methoxyphenyl)-cinchoninsaeure 19021-20-6 C18H14ClNO4
    4-喹啉羧酸,6-[(2-丁基-3H-咪唑并[4,5-b]吡啶-3-基)甲基]-2-(2-羧基苯基)-3-甲基- 2-(2-carboxyphenyl)-3-methyl-6-[(2-butyl-3H-imidazo[4,5-b]pyridin-3-yl)methyl]-4-quinolinecarboxylic acid 178239-44-6 C29H26N4O4
    4-喹啉羧酸,2-(4-羧基苯基)-6-甲基- 2-(4-carboxyphenyl)-6-methyl-4-quinolinecarboxylic acid 178239-50-4 C18H13NO4
    4-喹啉羧酸,1-丁基-1,2-二氢-2-羰基- 1-(n-butyl)-2-oxo-1,2-dihydro-4-quinolinecarboxylic acid 139094-72-7 C14H15NO3
    4-喹啉羧酸,1,2-二氢-2-羰基-1-丙基- 2-oxo-1-propyl-1,2-dihydro-quinoline-4-carboxylic acid 139094-74-9 C13H13NO3
    4-喹啉戊酸,a-[(4-氯苯甲酰)氨基]-1,2-二氢-1-甲基-2-羰基- I+/--[(4-Chlorobenzoyl)amino]-1,2-dihydro-1-methyl-2-oxo-4-quinolinepentanoic acid 104864-77-9 C22H21ClN2O4
    4-喹啉乙酸 [4]quinolyl-acetic acid 109922-57-8 C11H9NO2
    4-喹啉-2-基硫基喹唑啉 4-(Quinolin-2-ylsulfanyl)-quinazoline 102244-03-1 C17H11N3S
    4-喹唑啉胺,N-(3-乙炔基-4-氟苯基)-6,7-二甲氧基- N-(3-ethynyl-4-fluorophenyl)-6,7-dimethoxyquinazolin-4-amine 183321-78-0 C18H14FN3O2
    4-喹唑啉胺,6,7-二甲氧基-N-[4-(苯基甲氧基)苯基]- N-(4-(benzyloxy)phenyl)-6,7-dimethoxyquinazolin-4-amine 179248-61-4 C23H21N3O3
    4-喹唑啉胺,2-氯-N-(3-甲氧苯基)- 2-chloro-N-(3-methoxyphenyl)quinazolin-4-amine 192218-00-1 C15H12ClN3O
    4-哒嗪胺盐酸盐(1:1) pyridazin-4-amine hydrochloride 1400764-35-3 C4H5N3*ClH
    4-哒嗪胺,3,6-二苯基-N-(苯基甲基)- 3,6-Diphenyl-4-benzylamino-pyridazin 17357-95-8 C23H19N3
    4-哒嗪胺,1-氧化 2-(2,5-Dimethoxy-4-iodophenyl)aminoethane 126210-33-1 C10H14INO2