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    中文名称 英文名称 CAS号 化学式
    5,5'-二羟基-7,7'-二甲基-2,2'-联萘-1,1',4,4'-四酮 5,5'-dihydroxy-7,7'-dimethyl-[2,2']binaphthalenylidene-1,4,1',4'-tetraone 24456-79-9 C22H14O6
    5,5'-二碘-2,2'-联吡啶 5,5’-diiodo-2,2’-bipyridine 209624-09-9 C10H6I2N2
    5,5'-二甲氧基-[1,1-联苯基]-2,2'-二醇 5,5'-dimethoxy-[1,1'-biphenyl]-2,2'-diol 22954-04-7 C14H14O4
    5,5'-二甲基-4,4'-联嘧啶-2,2',6(1H,3H,3'H)-三酮 thyminyl-(6-4')-(5'-methyl-1',2'-dihydropyrimidin-2'-one) 20545-68-0 C10H10N4O3
    5,5'-二溴-4,4'-二己基-2,2'-并噻吩 5,5'-dibromo-4,4'-dihexyl-2,2'-bithiophene 214493-03-5 C20H28Br2S2
    5,5'-二溴-2,2'-联噻唑 5,5'-dibromo-2,2'-bithiazole 216318-95-5 C6H2Br2N2S2
    5,5'-[二硫代二(亚甲基)]二(3-苯基-2,4-咪唑烷二酮) bis-(2,5-dioxo-1-phenyl-imidazolidin-4-ylmethyl)-disulfide 22131-38-0 C20H18N4O4S2
    5,5'-[(3-羧基-5-甲基-4-氧代-2,5-环己二烯-1-亚基)亚甲基]二[2-羟基-3-甲基苯甲酸] trimethylaurintricarboxylic acid 2947-64-0 C25H20O9
    5,5'-[(2-羟基苯基)亚甲基]二(2-硫代巴比妥酸) 5-(salicylidene)-bis-2-thiobarbituric acid 27430-16-6 C15H12N4O5S2
    5,5'-(羰基二(亚氨基(3-磺基-4,1-亚苯基)偶氮))二(6-氨基-4-羟基-2-萘磺酸) Direct red 75 free acid 25255-10-1 C33H26N8O15S4
    5,5'-(亚氨基二甲二基)二呋喃-2-羧酸 methyl β-D-allofuranoside 28642-52-6 C7H14O6
    5,5'-(2,5-呋喃二基)二-2-噻吩甲醇 RITA 213261-59-7 C14H12O3S2
    5,5'-(1,2-乙二基)二(3-苯基-1,2,4-恶二唑) 5,5'-(1,2-ethanediyl)-bis<3-(phenyl)-1,2,4-oxadiazole> 22020-64-0 C18H14N4O2
    5,5'-((1,1'-联苯)-4,4'-二基二(氧基))二-1,3-异苯并呋喃二酮 4,4'-(4,4'-Diphenylendioxy)diphthalsaeureanhydrid 26177-82-2 C28H14O8
    5,5''-二甲基-[2,2':6',2''-三联吡啶]-4'-羧酸乙酯 5,5''-dimethyl-2,2':6',2''-terpyridine-4'-carboxylic acid ethyl ester 294211-86-2 C20H19N3O2
    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