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中文名称 英文名称 CAS号 化学式 结构式图片
4-噻唑烷羧酸,2-(1-甲基乙基)-,(2S-反)-(9CI) 4,4'-(Pyrimidine-2,5-diyl)dibenzoic acid 126676-00-4 C18H12N2O4
4-噻唑烷羧酸,2-(1-甲基乙基)-,(2S-反)-(9CI)
4-噻唑并唑,2-氨基-5-甲基-(9CI) 2-amino-4-hydroxy-5-methylthiazole 133833-95-1 C4H6N2OS
4-噻唑并唑,2-氨基-5-甲基-(9CI)
4-噻唑基丙氨酸 2-Amino-3-(4-thiazolyl)-propanoic acid 14717-97-6 C6H8N2O2S
4-噻唑基丙氨酸
4-噻唑乙酸,乙酯 ethyl 2-(thiazol-4-yl)acetate 120155-43-3 C7H9NO2S
4-噻唑乙酸,乙酯
4-噻吩-2-硼酸甲酯 methyl 4-(2-thienyl)benzoate 17595-86-7 C12H10O2S
4-噻吩-2-硼酸甲酯
4-噻吩-2-基嘧啶 4-(thiophene-2-yl)pyrimidine 19084-26-5 C8H6N2S
4-噻吩-2-基嘧啶
4-噻吩-2-基哌啶 4-(thiophen-2-yl)piperidine 198334-38-2 C9H13NS
4-噻吩-2-基哌啶
4-噻吩-2-基-2,4-二氧丁酸 4-thienyl-2,4-dioxobutanoic acid 105356-57-8 C8H6O4S
4-噻吩-2-基-2,4-二氧丁酸
4-噌啉胺,8-氯- 8-Chloro-cinnolin-4-ylamine 187231-28-3 C8H6ClN3
4-噌啉胺,8-氯-
4-噌啉羧酸,甲基酯 methyl cinnoline-4-carboxylate 107858-67-3 C10H8N2O2
4-噌啉羧酸,甲基酯
4-噌啉甲腈 4-Cinnolinecarbonitrile 16470-90-9 C9H5N3
4-噌啉甲腈
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-乙基-2-苯基-
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,5-(3-溴苯基)-,乙基酯
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-乙氧基-4,5-二氢-2-甲氧基-,乙基酯(9CI)
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)-
4-噁唑甲醛 1,3-oxazole-4-carboxaldehyde 118994-84-6 C4H3NO2
4-噁唑甲醛
4-噁唑甲醇 oxazol-4-ylmethanol 155742-48-6 C4H5NO2
4-噁唑甲醇
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-顺)-(9CI)
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-噁唑烷羧酸,5-(1-甲基乙基)-2-羰基-,(4S-反)-(9CI)
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-噁-1,9-二氮杂螺[5.5]十一烷-9-羧酸叔丁酯
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-嘧啶胺,6-(1-乙基丙氧基)-2-甲基-5-硝基-N-(2,4,6-三甲苯基)-
4-嘧啶羰酰氯 pyrimidine-4-carbonyl chloride 184951-32-4 C5H3ClN2O
4-嘧啶羰酰氯
4-嘧啶羧酸,5,6-二氨基- 5,6-Diaminopyrimidine-4-carboxylic acid 16008-49-4 C5H6N4O2
4-嘧啶羧酸,5,6-二氨基-
4-嘧啶硫醇,2,5-二氨基-(6CI,8CI) 2,5-Diamino-4-mercaptopyrimidin 14631-10-8 C4H6N4S
4-嘧啶硫醇,2,5-二氨基-(6CI,8CI)
4-嘧啶亚胺代甲酰肼 N-aminopyrimidine-4-carboximidamide 18091-46-8 C5H7N5
4-嘧啶亚胺代甲酰肼
4-嘧啶乙酸乙酯 ethyl 2-(pyrimidin-4-yl)acetate 1240606-58-9 C8H10N2O2
4-嘧啶乙酸乙酯
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-喹啉胺,N-[4-[[4-[二(2-氯乙基)氨基]苯基]硫代]苯基]-
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-丁氧基-
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-(4-溴苯基)-
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-喹啉羰基氯化,2-(2-甲氧苯基)-
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,2-(4-羧基苯基)-6-甲基-
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-丁基-1,2-二氢-2-羰基-
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-喹啉羧酸,1,2-二氢-2-羰基-1-丙基-
4-喹啉乙酸 [4]quinolyl-acetic acid 109922-57-8 C11H9NO2
4-喹啉乙酸
4-喹啉-2-基硫基喹唑啉 4-(Quinolin-2-ylsulfanyl)-quinazoline 102244-03-1 C17H11N3S
4-喹啉-2-基硫基喹唑啉
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,N-(3-乙炔基-4-氟苯基)-6,7-二甲氧基-
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,6,7-二甲氧基-N-[4-(苯基甲氧基)苯基]-
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-喹唑啉胺,2-氯-N-(3-甲氧苯基)-
4-哒嗪胺盐酸盐(1:1) pyridazin-4-amine hydrochloride 1400764-35-3 C4H5N3*ClH
4-哒嗪胺盐酸盐(1:1)
4-哒嗪胺,1-氧化 2-(2,5-Dimethoxy-4-iodophenyl)aminoethane 126210-33-1 C10H14INO2
4-哒嗪胺,1-氧化
4-哒嗪羧酸,5-[3-(三氟甲基)苯甲酰]- 5-(3-trifluoromethylbenzoyl)pyridazine-4-carboxylic acid 174812-94-3 C13H7F3N2O3
4-哒嗪羧酸,5-[3-(三氟甲基)苯甲酰]-
4-哌嗪基苯磺酰胺 4-(piperazin-1-yl)-benzenesulfonamide 170856-87-8 C10H15N3O2S
4-哌嗪基苯磺酰胺
4-哌嗪四氢-1(2H)-吡啶羧酸叔丁酯 tert-butyl 4-(piperazin-1-yl)piperidine-1-carboxylate 177276-41-4 C14H27N3O2
4-哌嗪四氢-1(2H)-吡啶羧酸叔丁酯
4-哌嗪哌啶 1-(4-piperidinyl)piperazine 142013-66-9 C9H19N3
4-哌嗪哌啶
4-哌嗪-1-基苯甲酸二氢溴化物 4-piperazin-1-ylbenzoic Acid Dihydrobromide 1049729-37-4 C11H16Br2N2O2
4-哌嗪-1-基苯甲酸二氢溴化物
4-哌嗪-1-基喹啉 4-piperazinylquinoline 118306-89-1 C13H15N3
4-哌嗪-1-基喹啉
4-哌嗪-1-基-2,1,3-苯并噻二唑 4-(piperazin-1-yl)benzo[c][1,2,5]thiadiazole 118306-79-9 C10H12N4S
4-哌嗪-1-基-2,1,3-苯并噻二唑
4-哌嗪-1-噻吩并[3,2-c]吡啶 4-(1-piperazinyl)thieno<3,2-c>pyridine 106261-27-2 C11H13N3S
4-哌嗪-1-噻吩并[3,2-c]吡啶
4-哌啶醇,4-(3-丁烯-1-炔基)-1-甲基-,丙酸酯(ester) 1-Methyl-4-vinylethynyl-4-propionyloxypiperidine 106010-27-9 C13H19NO2
4-哌啶醇,4-(3-丁烯-1-炔基)-1-甲基-,丙酸酯(ester)
4-哌啶醇,1-甲基-,甲磺酸酯(ester) 1-methylpiperidin-4-yl methanesulfonate 127423-65-8 C7H15NO3S
4-哌啶醇,1-甲基-,甲磺酸酯(ester)