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    中文名称 英文名称 CAS号 化学式
    2-噁唑烷酮,3-[(2S)-2-甲基-1,3-二羰基戊基]-4-(苯基甲基)-,(4S)- (S)-1-((S)-4-benzyl-2-oxo-oxazolidin-3-yl)-2-methylpentane-1,3-dione 101712-01-0 C16H19NO4
    2-噁唑烷酮,3-(4-乙酰基-3-氟苯基)-5-(溴甲基)-,(R)- (R)-3-(4-Acetyl-3-fluoro-phenyl)-5-bromomethyl-oxazolidin-2-one 139071-98-0 C12H11BrFNO3
    2-噁唑烷酮,3-(3,5-二氟苯基)-5-(羟甲基)-,(5R)- 5(R)-3-(3,5-difluorophenyl)-5-hydroxymethaneyloxazolidin-2-one 167010-27-7 C10H9F2NO3
    2-噁唑烷酮,3-(3,3-二甲基-1-羰基丁基)-4-(1-甲基乙基)-,(S)- (4S)-3-(3,3-dimethylbutanoyl)-4-propan-2-yl-1,3-oxazolidin-2-one 120569-36-0 C12H21NO3
    2-噁唑烷酮,3-(2-溴-1-羰基丙基)-4-(1-甲基乙基)-,(4S)- (2'RS,4S)-3-(2'-bromopropanoyl)-4-(1-methylethyl)-oxazolidin-2-one 186355-83-9 C9H14BrNO3
    2-噁唑烷硒酮,4-苯基-,(4R)- (R)-(-)-4-Phenyloxazolidine-2-selone 136794-56-4 C9H9NOSe
    2-噁唑烷硒酮,4-(1-甲基乙基)-,(4S)- (S)-4-isopropyl-oxazolidine-2-selone 136794-52-0 C6H11NOSe
    2-噁唑庚腈,4-(4-氯苯基)-5-(4-甲氧苯基)- 7-[4-(4-chlorophenyl)-5-(4-methoxyphenyl)-2-oxazolyl]heptanenitrile 139503-63-2 C23H23ClN2O2
    2-噁唑丙酸,5-苯基-4-[4-(2-喹啉基甲氧基)苯基]-,甲基酯 5-Phenyl-4-[4-(2-quinolinylmethoxy)phenyl]-2-oxazole propanoic acid methylester 136326-47-1 C29H24N2O4
    2-噁唑丙酸,5-(4-甲基苯基)- 3-(3,3-Dimethyltriazeno)phenylaminocarbonylethylpyridinium chloride 174752-84-2 C16H20ClN5O
    2-噁唑-8-氮杂螺[4.5]癸烷 2-oxa-8-azaspiro[4.5]decane 176-69-2 C8H15NO
    2-噁丁烷酮,4-环己基-,(R)- (R)-4-cyclohexyl-oxetan-2-one 159832-06-1 C9H14O2
    2-噁丁烷酮,3-甲基- α-methyl-β-propiolactone 1823-54-7 C4H6O2
    2-噁丁烷酮,3,3-二(氯甲基)- 3,3-bis-chloromethyl-oxetan-2-one 13390-75-5 C5H6Cl2O2
    2-噁-螺[3.3]-6-庚醇 2-oxaspiro[3.3]heptan-6-ol 1363381-08-1 C6H10O2
    2-噁-7-氮杂螺[4.5]癸烷-3,7-二羧酸7-叔丁酯 7-(Tert-butoxycarbonyl)-2-oxa-7-azaspiro[4.5]decane-3-carboxylic acid 1160246-92-3 C14H23NO5
    2-噁-7-氮杂螺[4.5]癸烷 2-oxa-7-azaspiro[4.5]decane 176-74-9 C8H15NO
    2-噁-7-aza-螺[4.4]壬烷 2-oxa-7-azaspiro[4.4]nonane 175-97-3 C7H13NO
    2-噁-6-氮杂螺[3.5]壬烷草酸盐 2-oxa-6-azaspiro[3.5]nonane 1046153-20-1 C7H13NO
    2-噁-6-氮杂螺[3.5]壬烷-6-羧酸叔丁酯 tert-butyl 2-oxa-6-azaspiro[3,5]nonane-6-carboxylate 1245816-29-8 C12H21NO3
    2-噁-6-氮杂螺[3.4]-7-辛酮 2-oxa-6-azaspiro[3.4]octan-7-one 1207174-87-5 C6H9NO2
    2-噁-6-氮杂螺[3.3]庚烷-6-羧酸叔丁酯 N-Boc-2-oxa-6-azaspiro[3,3]heptane 1263285-88-6 C10H17NO3
    2-噁-3-氮杂双环[2.2.2]-5-辛烯-3-羧酸叔丁酯 tert-butyl 2-oxa-3-azabicyclo[2.2.2]oct-5-ene-3-carboxylate 110590-29-9 C11H17NO3
    2-嘧啶胺,N-[(4-氯苯基)亚甲基]- 1-(4-chlorophenyl)-N-(pyrimidin-2-yl)methanimine 110008-77-0 C11H8ClN3
    2-嘧啶胺,N,N-二甲基-5-(甲磺酰)-4-苯基- (5-Methanesulfonyl-4-phenyl-pyrimidin-2-yl)-dimethyl-amine 106073-33-0 C13H15N3O2S
    2-嘧啶胺,N,N-二乙基- 2-(diethylamino)pyrimidine 17635-38-0 C8H13N3
    2-嘧啶胺,4-[4-(4-氟苯基)-1-(4-哌啶基)-1H-咪唑-5-基]- SB220025 165806-53-1 C18H19FN6
    2-嘧啶胺 2-Amino-4-styryl-pyrimidin 125404-04-8 C12H11N3
    2-嘧啶羧酸苯酯 2-pyrimidinecarboxylic acid phenyl ester 1380573-05-6 C11H8N2O2
    2-嘧啶羧酸,5-丁基- (3S,6R,8R)-15-[(2R,4R,5R,6R)-4-[(2S,5S,6S)-5-[(2S,4R,5S,6R)-4,5-dihydroxy-6-methyloxan-2-yl]oxy-6-methyloxan-2-yl]oxy-5-hydroxy-6-methyloxan-2-yl]-6,8,14-trihydroxy-3-[(2S,5S,6S)-5-hydroxy-6-methyloxan-2-yl]oxy-18-(4-hydroxyphenyl)-6-methyl-19-oxapentacyclo[11.6.1.02,11.03,8.017,20]icosa-1(20),2(11),9,13,15,17-hexaene-4,12-dione 126121-78-6 C50H60O18
    2-嘧啶羧酸,4-乙基六氢-,(2R,4S)-rel- (1R,5S)-(-)-3,8-Diazabicyclo<3.2.1>octan-2-one 143393-97-9 C6H10N2O
    2-嘧啶羧酰胺苯磺酸盐 Pyrimidine-2-carboxamidine benzenesulfonate 16879-48-4 C5H6N4*C6H6O3S
    2-嘧啶磺酰胺 Pyrimidin-2-sulfonamid 142047-90-3 C4H5N3O2S
    2-嘧啶甲酰胺,N-环己基-4,6-二苯基- N-Cyclohexyl-4,6-diphenylpyrimidine-2-carboxamide 106307-63-5 C23H23N3O
    2-嘧啶甲腈,4-甲氧基-5-甲基-(9CI) 4-Methoxy-5-methyl-pyrimidine-2-carbonitrile 114969-87-8 C7H7N3O
    2-嘧啶甲脒盐酸盐 pyrimidine-2-carboximidamide hydrochloride 138588-40-6 C5H6N4*ClH
    2-嘧啶基氢二硫醚 Pyrimidine-2-dithioperoxol 137400-66-9 C4H4N2S2
    2-嘧啶基乙醛 2-(Pyrimidin-2-YL)acetaldehyde 120455-86-9 C6H6N2O
    2-嘧啶亚胺代甲酰肼 pyrimidine-2-carbamidrazone 1005-03-4 C5H7N5
    2-嘧啶乙醇 2-pyrimidin-2-ylethanol 114072-02-5 C6H8N2O
    2-嘧啶乙酰腈,a-苯基- α-(2-pyrimidyl)phenylacetonitril 112170-35-1 C12H9N3
    2-嘧啶乙酰腈,1,6-二氢-4-甲基-6-羰基-(8CI) 4-Oxo-6-methyl-2-cyanmethyl-3,4-dihydro-pyrimidin 13514-85-7 C7H7N3O
    2-嘧啶丙酸,Β-氧代,乙酯 ethyl β-oxo-2-pyrimidininepropanoate 1093114-80-7 C9H10N2O3
    2-嘧啶-4-基-1-[3-(三氟甲基)苯基]乙酮 1-<3-(Trifluoromethyl)phenyl>-2-(4-pyrimidinyl)ethanone 112816-06-5 C13H9F3N2O
    2-喹噁啉乙腈 2-(quinoxalin-2-yl)acetonitrile 14068-13-4 C10H7N3
    2-喹喔啉羧酸1,4-二氧化物 quinoxaline 2-carboxylic acid 1,4-di-N-oxide 17987-99-4 C9H6N2O4
    2-喹喔啉羧酸,3,4-二氢-3-羰基-6-(三氟甲基)-,乙基酯 ethyl 3,4-dihydro-3-oxo-6-(trifluoromethyl)quinoxaline-2-carboxylate 194423-78-4 C12H9F3N2O3
    2-喹喔啉羧酸 1-(2-bromoethyl)-3-(3-methoxyphenyl)imidazolidin-2-one 1170210-20-4 C12H15BrN2O2
    2-喹喔啉甲醛,腙 (4-nitro)phenyl β-D-glucofuranoside 192717-86-5 C12H15NO8
    2-喹喔啉甲醛 Quinoxaline-2-carboxaldehyde 1593-08-4 C9H6N2O