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    中文名称 英文名称 CAS号 化学式
    2H-四唑-2-乙酰腈,5-氨基- 5-amino-2-(cyanomethyl)-2H-tetrazole 125707-89-3 C3H4N6
    2H-四唑,5-环丙基-2-(3-碘-2-炔丙基)- 5-Cyclopropyl-2-(3-iodo-prop-2-ynyl)-2H-tetrazole 106191-87-1 C7H7IN4
    2H-四唑,5-[(2-氯苯基)甲基]- (5-Isothiocyanato-1,3-dioxo-1H,3H-benzo[de]isoquinolin-2-yl)-acetic acid 103904-10-5 C15H8N2O4S
    2H-噻癸英,4,5,8,9-四脱氢-3,10-二氢- 1-Thiacyclodec-6-en-4,8-diyne 136843-31-7 C9H8S
    2H-噻喃-6-甲腈,3,4-二甲基- 6-Cyano-3,4-dimethyl-2H-thiopyran 128080-77-3 C8H9NS
    2H-噻喃-4-乙酸,四氢-4-羟基-a-苯基-,2-(二甲氨基)乙基酯,盐酸(1:1) 2H-Thiopyran-4-acetic acid, tetrahydro-4-hydroxy-alpha-phenyl-, 2-(dimethylamino)ethyl ester, hydrochloride 102367-44-2 C17H26ClNO3S
    2H-噻喃-3-丙酸,四氢-4-羰基-3-(2-丙烯基)-,甲基酯,(R)- (R)-(-)-3-allyl-3-(2-methoxycarbonylethyl)-4-thianone 139027-63-7 C12H18O3S
    2H-噻喃-3-丙酸,四氢-3-甲基-4-羰基-,甲基酯,(S)- (S)-(-)-3-methyl-3-(2-methoxycarbonylethyl)-4-thianone 139027-59-1 C10H16O3S
    2H-噻喃-3,5(4H,6H)-二酮,4-乙酰基- 4-acetyltetrahydro-2H-thiopyrane-3,5-dione 119271-12-4 C7H8O3S
    2H-噻喃-2-硫酮,3,5-二甲基- dimethyl-3,5 thiopyrannethione-2 15402-33-2 C7H8S2
    2H-噻喃-2,6(3H)-二酮,二氢- glutaric thioanhydride 168280-79-3 C5H6O2S
    2H-噻喃,四氢-2-丙基- 2-Propyl-pentamethylensulfid 17912-23-1 C8H16S
    2H-噻喃,2-乙基四氢- 2-Aethyl-pentamethylensulfid 1613-52-1 C7H14S
    2H-噻喃,2,3,4,6-四苯基- 2,3,4,6-tetraphenyl-2H-thiopyran 139118-22-2 C29H22S
    2H-噻吩并[3,2-g]-1-苯并吡喃-2-酮 2H-Thieno[3,2-G]chromen-2-one 144190-41-0 C11H6O2S
    2H-嘧啶并[5,4-e][1,3]恶嗪 2H-Pyrimido[5,4-e][1,3]oxazine 142834-76-2 C6H5N3O
    2H-嘧啶并[4,5-A]咔唑-2-酮,1,11-二氢-8-溴- 2H-Pyrimido[4,5-a]carbazol-2-one, 8-bromo-1,11-dihydro- 1499223-18-5 C14H8BrN3O
    2H-嘧啶并[2,1-c][1,2,4]三嗪-4-硫醇 2H-Pyrimido[2,1-c][1,2,4]triazine-4-thiol 130314-21-5 C6H6N4S
    2H-嘌呤-2-酮,6-乙氧基-1,3,6,7-四氢-1,3,7-三(苯基甲基)- 6-ethoxy-1,3,7-tribenzyl-2-oxopurine 148083-99-2 C28H28N4O2
    2H-嘌呤-2-酮,1,7-二氢-6-苯基-1,7-二(苯基甲基)- 1,7-dibenzyl-1,7-dihydro-6-phenyl-2H-purin-2-one 182862-73-3 C25H20N4O
    2H-嘌呤 2H-Purine 13930-38-6 C5H4N4
    2H-喹嗪,1,3,4,6,7,9a-六氢- (+/-)-1,3,4,6,7,9a-Hexahydro-2<i>H</i>-chinolizin 1004-90-6 C9H15N
    2H-喹嗪,1,3,4,6,7,8-六氢-9-甲基- 9-methyl-1,3,4,6,7,8-hexahydro-2<i>H</i>-quinolizine 14466-29-6 C10H17N
    2H-咪唑并[4,5-h]喹啉 2H-Imidazo[4,5-h]quinoline 15793-16-5 C10H7N3
    2H-咪唑并[4,5-c]吡啶-2-酮,4-氨基-1,3-二氢-3-甲基- 4-amino-3-methyl-1,3-dihydro-2H-imidazo<4,5-c>pyridin-2-one 105654-41-9 C7H8N4O
    2H-咪唑并[4,5-b]喹喔啉 2H-Imidazo[4,5-b]quinoxaline 13090-17-0 C9H6N4
    2H-咪唑并[4,5-b]吡啶-2-硫酮,6-氯-3-[(4-氯苯基)甲基]-1,3-二氢- 6-chloro-3-[(4-chlorophenyl)methyl]-1H-imidazo[4,5-b]pyridine-2-thione 136122-55-9 C13H9Cl2N3S
    2H-咪唑-2-酮,5-乙基-4-(4-氟苯甲酰)-1,3-二氢-1-(苯基甲基)- 1-Benzyl-5-ethyl-4-(4-fluoro-benzoyl)-1,3-dihydro-imidazol-2-one 139199-29-4 C19H17FN2O2
    2H-咪唑-2-酮,4-乙基-5-(4-氟苯甲酰)-1,3-二氢-1,3-二(苯基甲基)- 1,3-Dibenzyl-4-ethyl-5-(4-fluoro-benzoyl)-1,3-dihydro-imidazol-2-one 139199-30-7 C26H23FN2O2
    2H-咪唑-2-酮,1-乙酰基-4-乙基-1,3-二氢-5-[4-(2-甲基-1H-咪唑-1-基)苯甲酰]- 1-acetyl-4-ethyl-1,3-dihydro-5-<4-(2-methyl-1H-imidazol-1-yl)benzoyl>-2H-imidazol-2-one 116174-52-8 C18H18N4O3
    2H-咪唑-2-酮,1-(4-氯苯基)-1,5-二氢-4-(1-哌啶基)- ELB 139 188116-08-7 C14H16ClN3O
    2H-咪唑-2-硫酮,4-(1-环己烯-1-基)-1,3-二氢- 5-Isobutyl-1H-benzo[d]imidazol-2(3H)-one 103853-62-9 C11H14N2O
    2H-咪唑-2-硫酮,1-[(4-溴苯基)甲基]-1,3-二氢- 1-[(4-Bromophenyl)methyl]-1,3-dihydro-2H-imidazole-2-thione 105764-01-0 C10H9BrN2S
    2H-咪唑-2-硫酮,1,3-二氢-1-[2-(苯基硫代)乙基]- 1-(2-Phenylsulfanyl-ethyl)-1,3-dihydro-imidazole-2-thione 104489-51-2 C11H12N2S2
    2H-咪唑-2-硫酮,1,3-二氢-1-(3-苯基丁基)- 1-(3-Phenyl-butyl)-1,3-dihydro-imidazole-2-thione 104489-53-4 C13H16N2S
    2H-咪唑-2-硒酮,1,3-二氢-1,3-二甲基- 1,3-dimethyl-imidazoline-2-selone 154193-84-7 C5H8N2Se
    2H-咪唑-2-亚基,1,3-二环己基-1,3-二氢- 1,3-dicyclohexylimidazol-2-ylidene 181422-81-1 C15H24N2
    2H-咪唑,4-甲基-2,2-二辛基-,1-氧化 4-methyl-2,2-dioctyl-1-oxidoimidazol-1-ium 138000-89-2 C20H38N2O
    2H-咪唑,2-甲基-2-辛基-4-苯基-,1-氧化 2-Methyl-2-octyl-1-oxido-4-phenylimidazol-1-ium 136440-17-0 C18H26N2O
    2H-呋喃并[4,3,2-去]喹啉 2h-Furo[4,3,2-de]quinoline 17368-05-7 C10H7NO
    2H-呋喃并[3,2-g]吲哚 2h-Furo[3,2-g]indole 103671-62-1 C10H7NO
    2H-呋喃并[2,3-h]-1-苯并吡喃-2-酮,4-甲基-8-(4-吗啉基甲基)- 4-Methyl-8-morpholin-4-ylmethyl-furo[2,3-h]chromen-2-one 139395-86-1 C17H17NO4
    2H-呋喃并[2,3-e]异吲哚(9CI) valacyclovir 142963-59-5 C13H20N6O4
    2H-呋喃并[2,3-e]吲哚 2H-Furo[2,3-E]indole 145015-50-5 C10H7NO
    2H-呋喃并[2,3,4-hi]中氮茚-2-酮,八氢-,(2aR,8aS,8bS)-rel- (4-Butylcarbamoyl-quinolin-2-yl)-cyano-acetic acid ethyl ester 194713-19-4 C19H21N3O3
    2H-吲唑,4,5,6,7-四氢-3-甲基-2-苯基- 3-methyl-2-phenyl-4,5,6,7-tetrahydro-2H-indazole 14713-75-8 C14H16N2
    2H-吲唑,2-(2,4-二硝基苯基)-4,5,6,7-四氢-3-甲基- 5-Methyl-1-(2,4-dinitrophenyl)-3,4-tetramethylen-pyrazol 15419-65-5 C14H14N4O4
    2H-吲哚-2-酮,7-氟-1,3-二氢-5-[2-(4-羟基-4-苯基-1-哌啶基)-1-羰基丙基]- 7-Fluoro-5-[2-(4-hydroxy-4-phenylpiperidino) propionyl]-2-(1H,3H)-indolone 138660-49-8 C22H23FN2O3
    2H-吲哚-2-酮,5-氟-1,3-二氢-3-(甲硫基)- 2H-Indol-2-one, 5-fluoro-1,3-dihydro-3-(methylthio)- 100487-80-7 C9H8FNOS
    2H-吲哚-2-酮,5-[[3-氟-5-(四氢-4-甲氧基-2H-吡喃-4-基)苯氧基]甲基]-1,3-二氢-3-羟基-1-甲基- 4-[5-fluoro-3-(3-hydroxy-1-methyl-2-oxoindolin 5-ylmethoxy)phenyl]-4-methoxytetrahydropyran 139487-01-7 C22H24FNO5