| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 5,6,7,8-四氢-咪唑并[1,5-a]吡嗪 | 5,6,7,8-tetrahydroimidazo[1,5-a]pyrazine | 297172-19-1 | C6H9N3 |
| 5,6,7,8-四氢-吡啶并[3,4-b]吡嗪 | (±)-5,6,7,8-tetrahydropyrido[3,4-b]pyrazine | 405162-62-1 | C7H9N3 |
| 5,6,7,8-四氢-[1,2,4]三唑[1,5-A]吡嗪 | 5,6,7,8-tetrahydro-[1,2,4]triazolo[1,5-a]pyrazine | 233278-56-3 | C5H8N4 |
| 5,6,7,8-四氢-8-甲基-2-三氟甲基-咪唑并[1,2-a]吡嗪 | 8-methyl-2-(trifluoromethyl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyrazine | 611240-70-1 | C8H10F3N3 |
| 5,6,7,8-四氢-8-甲基-2-(三氟甲基)-[1,2,4]噻唑并[1,5-a]吡嗪 | 8-Methyl-2-(trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[1,5-a]pyrazine | 781614-02-6 | C7H9F3N4 |
| 5,6,7,12-四氢二苯并[c,f]氮杂环辛四烯 | 5,6-Dihydro-7H,12H-dibenzo<c,f>azepin | 16031-95-1 | C15H15N |
| 5,6,11,12-四氢二苯并[B,F]氮杂环辛四烯盐酸盐 | 5,6,11,12-tetrahydrobenzo[c][1]benzazocine hydrochloride | 80866-74-6 | C15H15N*ClH |
| 5,5’,5’’-(次氮基三(苯-4,1-二基))三(噻吩-2-甲醛) | tris[4-(5-formyl-2-thienyl)phenyl]amine | 883236-47-3 | C33H21NO3S3 |
| 5,5-二甲基环磷酰胺 | 2-(bis-(2-chloroethyl)amino)-2-oxo-5,5-dimethyl-1,3,2-oxazaphosphorinane | 22089-27-6 | C9H19Cl2N2O2P |
| 5,5-二甲基己-3-烯腈 | 5,5-Dimethylhex-3-enenitrile | 103499-83-8 | C8H13N |
| 5,5-二甲基-3-十一烷基-4,5-二氢-吡唑-1-羧酸酰胺 | 5,5-dimethyl-3-undecyl-4,5-dihydro-pyrazole-1-carboxylic acid amide | 101592-65-8 | C17H33N3O |
| 5,5-二甲基-1-己胺 | 5,5-dimethylhexan-1-amine | 60996-53-4 | C8H19N |
| 5,5-二甲基-1,3-环己二胺 | 1,3-diamino-5,5-dimethylcyclohexane | 74710-13-7 | C8H18N2 |
| 5,5-二甲基-1,3-环己二肟 | 5,5-dimethyl-1,3-cyclohexanedionedioxime | 37110-24-0 | C8H14N2O2 |
| 5,5-二甲基-1,3-二(4-甲基苯基)-1,3,5-二氮杂磷杂环己烷-5-鎓碘化物 | 1,3-di-p-tolyl-5,5-dimethyl-1,3,5-diazaphosphorinane | 85684-47-5 | C19H26N2P*I |
| 5,5,5-三氟戊腈 | 5,5,5-Trifluorovaleronitrile | 89866-61-5 | C5H6F3N |
| 5,5,5-三氟-4-甲基戊腈 | 5,5,5-trifluoro-4-methylpentanenitrile | 1008754-87-7 | C6H8F3N |
| 5,5,5-三氟-4-(二氟(甲氧基)甲基)-4-(三氟甲基)戊腈 | 5,5,5-trifluoro-4-(difluoro(methoxy)methyl)-4-(trifluoromethyl)pentanenitrile | 1039762-35-0 | C8H7F8NO |
| 5,5,5-三氟-2-[[(1R)-1-苯基乙基]氨基]-戊腈 | 5,5,5-trifluoro-2-(R-1-phenylethylamino)pentanenitrile | 1146699-59-3 | C13H15F3N2 |
| 5,5'-氧基二(戊腈) | 6-oxa-undecanedinitrile | 5392-06-3 | C10H16N2O |
| 5,5'-氧代二(N,N,N-三乙基戊烷-1-铵)二碘化 | Ammonium, (oxybis(pentamethylene))bis(triethyl-, diiodide | 114302-98-6 | C22H50I2N2O |
| 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 |
| 5,11,17,23-四三-二甲胺甲基杯[4]烯 | 5,11,17,23-Tetrakis<(dimethylamino)methyl>-25,26,27,28-tetrahydroxycalix<4>arene | 115421-52-8 | C40H52N4O4 |
| 5,10,11,12-四氢-5-[3-(二甲基氨基)丙基]二苯并[a,d]环辛烯-5-醇 | 5-(3-Dimethylaminopropyl)-10,11,12-trihydro-5H-dibenzo(a,d)cycloocten-5-ol | 67226-82-8 | C21H27NO |
| 5,10,11,12-四氢-3-[(1-甲基-3-吡咯烷基)甲基]二苯并[a,d]环辛烯 | 10,11,12-Trihydro-3-(1-methyl-3-pyrrolidinyl)methyl-5H-dibenzo(a,d)cyclooctene | 67195-38-4 | C22H27N |
| 5'-O-L-苯基丙氨酰腺苷 | [1-(5-Ethyl-tricyclo[3.2.2.0<sup>2,4</sup>]non-1-yl)-1-methyl-ethyl]-methyl-amine | 802308-56-1 | C15H27N |
| 5'-(4-(二苯氨基)苯基)-[2,2'-联噻吩]-5-甲醛 | 5'-(4-(diphenylamino)phenyl)-[2,2'-bithiophene]-5-carbaldehyde | 762269-61-4 | C27H19NOS2 |
| 4’-二乙基氨基苯乙炔 | 4-ethynyl-N,N-diethylaniline | 41876-70-4 | C12H15N |
| 4a,6,7,7alpha-四氢-2,3-二甲基-5H-环戊并吡嗪 | 2,3-dimethyl-5,6,7,7a-tetrahydro-4a<i>H</i>-cyclopentapyrazine | 41330-26-1 | C9H14N2 |
| 4H-嘧啶并[2,1-b]喹唑啉-4-酮,2,3,6,11-四氢-11-甲基- | Ethylbis(2-hydroxyethyl)octadecenylammonium ethyl sulphate | 97692-50-7 | C26H55NO6S |
| 4H-吡喃-4-酮,2-氯-6-(4-吗啉基)- | 6-chloro-2-(4-morpholin-4-yl)pyran-4-one | 119671-47-5 | C9H10ClNO3 |
| 4H-吡唑-4-酮,3,5-二氢-3,3,5,5-四甲基-,腙 | 3,3,5,5-Tetramethyl-3,5-dihydro-4H-pyrazol-4-one Hydrazone | 16642-47-0 | C7H14N4 |
| 4H-3,1-苯并噻嗪-4-硫酮,1,2-二氢-1-(2-甲基苯基)- | 1-<i>o</i>-tolyl-1,2-dihydro-benzo[<i>d</i>][1,3]thiazine-4-thione | 16095-55-9 | C15H13NS2 |
| 4H-1-苯并吡喃-4-酮,3-硝基-2-(3-硝基苯基)-(9CI) | 2-amino-1-thiazol-2-ylpropan-1-ol | 176230-58-3 | C6H10N2OS |
| 4H-1,3-噁嗪-4-酮,5-氯-6-(氯甲基)-2-(二甲氨基)- | 5-Chlor-6-(chlormethyl)-2-(dimethylamino)-4H-1,3-oxazin-4-on | 104132-70-9 | C7H8Cl2N2O2 |
| 4H-1,2,4-噻唑-4-乙胺 | 2-[1,2,4]triazol-4-yl-ethylamine | 1008526-84-8 | C4H8N4 |
| 4.4-二甲基-5-羟基戊腈 | 4,4-dimethyl-5-hydroxyvaleronitrile | 25252-68-0 | C7H13NO |
| 4-(二乙基膦基)-N,N-二甲基苯胺 | 4-(diethylphosphino)-N,N-dimethylaniline | 17005-57-1 | C12H20NP |
| 4-(N,N-二甲基氨基)-2-氯嘧啶 | 2-chloro-N,N-dimethylpyrimidin-4-amine | 31058-81-8 | C6H8ClN3 |
| 4-(N-叔丁氧羰基氨甲基)环己胺盐酸盐 | tert-Butyl (((1r,4r)-4-aminocyclohexyl)methyl)carbamate hydrochloride | 1393441-75-2 | C12H25ClN2O2 |
| 4-重氮基二甲基苯胺氯化锌盐 | ZINC;4-(dimethylamino)benzenediazonium;tetrachloride | 6023-44-5 | C8H10Cl4N3Zn- |
| 4-重氮-N-乙基-N-羟乙基氯化苯胺氯化锌复盐 | zinc;4-[ethyl(2-hydroxyethyl)amino]benzenediazonium;trichloride | —— | C10H14Cl3N3OZn |
| 4-酰基-18-冠醚 | 4-acryloylaminobenzo-18-crown-6 | 68865-32-7 | C19H27NO7 |
| 4-过氧环磷酰胺 | 4-peroxycyclophosphamide | 51274-71-6 | C14H28Cl4N4O6P2 |
| 4-辛酰氨基-1H-嘧啶-2-酮 | N<sup>4</sup>-octanoylcytosine | 33304-87-9 | C12H19N3O2 |
| 4-辛基-3-硫代semicarb叠氮化物 | N<sup>4</sup>-octyl thiosemicarbazide | 13207-36-8 | C9H21N3S |
| 4-苯胺基偶氮苯四氟硼酸盐 | 4-(Phenylamino)benzenediazonium tetrafluoroborate | 2367-19-3 | C12H10BF4N3 |
| 4-苯胺基-4-苯基丁烷-2-酮 | 4-phenyl-4-(phenylamino)butan-2-one | 728-99-4 | C16H17NO |
| 4-苯胺基-4-甲基-2-戊酮 | 4-anilino-4-methyl-pentan-2-one | 88187-84-2 | C12H17NO |
| 4-苯胺基-3-甲基丁烷-2-醇 | 4-Anilino-3-methylbutan-2-ol | 80460-50-0 | C11H17NO |