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    中文名称 英文名称 CAS号 化学式
    5,5''-二甲基-[2,2':6',2''-三联吡啶]-4'-羧酸 5,5''-Dimethyl-2,2':6',2''-terpyridine-4'-carboxylic acid 294211-85-1 C18H15N3O2
    5,5''-二溴-2,2':6',2''-三联吡啶 5,5″-dibromo-2,2′:6′,2″-terpyridine 223463-10-3 C15H9Br2N3
    5,3',4'-三羟基-3,7-二甲氧基黄酮 2-(3,4-dihydroxyphenyl)-5-hydroxy-3,7-dimethoxychromen-4-one 2068-02-2 C17H14O7
    5,25R-胆甾烯-3beta,26-二醇 (25R)-cholest-5-ene-3β,26-diol 20380-11-4 C27H46O2
    5,24,25-三甲氧基-2-氧杂三环[20.2.2.13,7]二十七碳-1(24),3(27),4,6,22,25-己烯 Robustol-trimethylaether 27825-39-4 C29H42O4
    5,22-二氢卟啉 5,22-Dihydroporphyrin 26660-92-4 C20H16N4
    5,15-二苯基-21H,23H-卟吩 5,15-Diphenyl-21H,23H-porphine 22112-89-6 C32H22N4
    5,12-二苯基并四苯 5,12-diphenyltetracene 27130-32-1 C30H20
    5,11-二氧杂-2-氮杂三环[5.3.1.02,6]十一碳-1(10),3,6,8-四烯 5,9-Epoxyoxazolo[3,2-a]azepine(9CI) 251362-43-3 C8H5NO2
    5,11-二氢-6H-苯并[A]咔唑 5,6-dihydro-11H-benzo[a]carbazole 21064-49-3 C16H13N
    5,11-二氢-4-甲基-6H-二吡啶并[3,2-b:2',3'-e][1,4]二氮杂卓-6-酮 5,11-dihydro-4-methyl-6H-dipyrido[3,2-b:2',3'-e][1,4]diazepin-6-one 287980-84-1 C12H10N4O
    5,11-二氢-4-甲基-11-丙基-6H-二吡啶并[3,2-b:2',3'-e][1,4]二氮杂卓-6-酮 Birg-613 BS 287980-85-2 C15H16N4O
    5,11-二氢-11-氯乙酰基-6H-吡啶并[2.3-b][1,4]苯并二氮卓-6-酮 11-(chloroacetyl)-5,11-dihydro-6H-pyrido[2,3-b][1,4]benzodiazepin-6-one 28797-48-0 C14H10ClN3O2
    5,10-开环雌甾-5-炔-3,10,17-三酮 Scoytr 26012-92-0 C18H22O3
    5,10-十四烷二酮 5,10-tetradecanedione 29210-62-6 C14H26O2
    5,10-二氢咪唑并[1,2-b]异喹啉-7,8-二醇 5,10-dihydro-imidazo[1,2-b]-isoquinoline-7,8-diol 279254-16-9 C11H10N2O2
    5,10-二氢-5-甲基吩嗪 5-methyl-5,10-dihydrophenazine 20057-16-3 C13H12N2
    5,10-二氢-11H-吡咯[2,1-C][1,4]苯并二氮杂卓-11-酮 5,10-dihydro-5H-pyrrolo<2,1-c><1,4>benzodiazepin-11-one 23208-05-1 C12H10N2O
    5,10,15-20四(4-甲氧基苯基)卟啉原 5,10,15-20-tetrakis(4-methoxyphenyl)porphyrinogen 248606-49-7 C48H44N4O4
    5,10,15,20-四三(4-甲氧基苯基)-21H,23H-卟啉 5,10,15,20-Tetrakis(4-methoxyphenyl)-21H,23H-porphine 22112-78-3 C48H38N4O4
    5,10,15,20-四-(4-碘苯基)卟啉 meso-tetrakis(4-iodophenyl)porphyrin 29162-74-1 C44H26I4N4
    5,10,15,20-四(五氟苯基)卟啉 5,10,15,20-Tetrakis(pentafluorophenyl)porphyrin 25440-14-6 C44H10F20N4
    5,10,15,20-四(4-硝基苯基)卟啉 5,10,15,20-Tetrakis(4-nitrophenyl)porphyrin 22843-73-8 C44H26N8O8
    5,10,15,20-四(4-溴苯基)锌卟啉 zinc(II) 5,10,15,20-tetrakis(4-bromophenyl)porphyrin 29116-34-5 C44H24Br4N4Zn
    5,10,15,20-四(4-溴苯基)卟啉 Tetra(p-bromophenyl)porphyrin 29162-73-0 C44H26Br4N4
    5,10,15,20-四(3-羟基苯基)卟啉 Tetra(3-hydroxyphenyl)porphyrin 22112-79-4 C44H30N4O4
    5,10,15,20-四(2-噻吩基)卟啉 5,10,15,20-Tetra-2-thienyl-Porphine 22112-87-4 C36H22N4S4
    5(6H)-菲啶羧酸乙酯 6<i>H</i>-phenanthridine-5-carboxylic acid ethyl ester 29712-69-4 C16H15NO2
    5(6)-羧基荧光素二异丁酸酯 5(6)-Carboxyfluorescein Diisobutyrate 287111-44-8 C30H28O9
    5(4H)-嘧啶硫酮 5(4H)-Pyrimidinethione 220560-98-5 C4H4N2S
    5(2H)-异噻唑酮,3-甲基-4-(1-甲基乙基)-2-[[4-(5-甲基-1,3,4-噁二唑-2-基)-1-哌啶基]羰基]- 1-Oxo-1,2,3,4,5,6,7,8-octahydro-isochinolin 24193-05-3 C9H13NO
    5(2H)-嘧啶酮 pyrimidine-5(10H)-one 220560-88-3 C4H4N2O
    5(2H)-嘧啶硫酮 5(2H)-Pyrimidinethione 220561-00-2 C4H4N2S
    5'alpha(S)-仲-丁基-12'-羟基-2'-异丙基麦角它曼-3',6',18-三酮 5'alpha(S)-sec-Butyl-12'-hydroxy-2'-isopropylergotaman-3',6',18-trione 20315-46-2 C32H41N5O5
    5'-鸟苷酸与5'-尿甙酸聚合物 Poly(U-G) 26680-26-2 C19H27N7O17P2
    5'-羟基沙利度胺 cis,trans-5'-Hydroxythalidomide 222991-42-6 C13H10N2O5
    5'-羟基-2'-(甲硫基)-6'-氧代-6'H-螺[叔丁基][环己烷-1,9'-吡嗪[1',2':1,5]吡咯并[2,3]-D]嘧啶]-7'(8'H)-羧酸盐 5'-hydroxy-2'-(methylthio)-6'-oxo-6'H-spiro[cyclohexane-1,9'-pyrazino[1',2':1,5]pyrrolo[2,3-d]pyrimidine]-7'(8'H)-carboxylic acid tert-butyl ester 2170746-97-9 C20H26N4O4S
    5'-磷酰胸苷酰(3'-5')脱氧腺苷 Thymidylyl-deoxyadenylic acid 2147-15-1 C20H27N7O13P2
    5'-氯-3-羟基-2',4'-二甲氧基-4-[[2-甲氧基-5-(苯基氨基甲酰)苯基]偶氮]萘-2-甲酰苯胺 N-(5-chloro-2,4-dimethoxyphenyl)-3-hydroxy-4-[[5-(C-hydroxy-N-phenylcarbonimidoyl)-2-methoxyphenyl]diazenyl]naphthalene-2-carboximidic acid 20568-80-3 C33H27ClN4O6
    5'-氯-2'-羟基-4'-甲基苯乙酮 5'-chloro-2'-hydroxy-4'-methyl acetophenone 28480-70-8 C9H9ClO2
    5'-氯-2'-羟基-4'-甲基-3'-硝基苯乙酮 1-(5-chloro-2-hydroxy-4-methyl-3-nitrophenyl)ethan-1-one 288401-07-0 C9H8ClNO4
    5'-氯-2',4'-二甲氧基-2-氟乙酰苯胺 N-(5-Chloro-2,4-dimethoxy-phenyl)-2-fluoro-acetamide 23554-60-1 C10H11ClFNO3
    5'-对甲苯磺酰基-2'-脱氧胞苷 2'-Deoxy-5'-O-tosylcytidin 27999-55-9 C16H19N3O6S
    5'-[二(2-氰基乙基)氨基]-2'-[(2,6-二氯-4-硝基苯基)偶氮]乙酰苯胺 5'-(Bis(2-cyanoethyl)amino)-2'-((2,6-dichloro-4-nitrophenyl)azo)acetanilide 27447-29-6 C20H17Cl2N7O3
    5'-O-[羟基(2-甲基-1H-咪唑-1-基)磷基]鸟苷 Copper, chloro(tris(2-chloroethyl) phosphite-P)- 24484-01-3 C6H12Cl4CuO3P+
    5'-O-[二(4-甲氧基苯基)苯基甲基]-2'-O-(2-甲氧基乙基)-N-(2-甲基-1-氧代丙基)鸟苷3'-[2-氰基乙基二异丙基氨基亚磷酸酯] MOE G amidite 251647-55-9 C47H60N7O10P
    5'-O-[二(4-甲氧基苯基)苯基甲基]-2'-O-(2-甲氧基乙基)-N-(2-甲基-1-氧代丙基)鸟苷 5'-O-(4,4'-dimethoxytriphenylmethyl)-2'-O-(2-methoxyethyl)-N<sup>2</sup>-isobutyrylguanosine 251647-50-4 C38H43N5O9
    5'-O-(溴乙酰基)尿苷 2'(3')-O-Bromoacetyluridine 27477-69-6 C11H13BrN2O7
    5'-O-(吡喃葡萄糖基)吡哆辛 5'-O-(Glucopyranosyl)pyridoxine 26545-80-2 C14H21NO8
    5 -硝基-2 -(溴乙酰氨基)二苯甲酮 N-(2-benzoyl-4-nitrophenyl)-2-bromoacetamide 2011-70-3 C15H11BrN2O4