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    中文名称 英文名称 CAS号 化学式
    2-正丙基噻唑 2-(n-propyl)-thiazole 17626-75-4 C6H9NS
    2-正丙基-4-甲基-6-羧基苯并咪唑 4-methyl-2-n-propyl-1H-benzimidazole-6-carboxylic acid 152628-03-0 C12H14N2O2
    2-正丙基-4-甲基-6-(1’-甲基苯并咪唑-2-基)苯并咪唑 2-n-propyl-4-methyl-6-(1-methylbenzimidazol-2-yl)benzimidazole 152628-02-9 C19H20N4
    2-正丁氧基-4,6-二氯-1,3,5-三嗪 2-butoxy-4,6-dichloro-1,3,5-triazine 13838-32-9 C7H9Cl2N3O
    2-正丁基苯甲酰胺 2-butylbenzamide 122761-86-8 C11H15NO
    2-正丁基噻吩 2-butylthiophene 1455-20-5 C8H12S
    2-正丁基乙酰乙酸乙酯 ethyl 2-butylacetoacetate 1540-29-0 C10H18O3
    2-正丁基-5-苯基噻吩 2-n-butyl-5-phenylthiophene 1005758-97-3 C14H16S
    2-正丁基-5-甲基硫代苯 2-n-butyl-5-methyl thiophene 111510-96-4 C9H14S
    2-正丁基-5-[4-(三氟甲基)苯基]噻吩 2-butyl-5-(4-trifluoromethylphenyl)thiophene 1044231-35-7 C15H15F3S
    2-正丁基-5-[2-(三氟甲基)苯基]噻吩 2-butyl-5-(2-trifluoromethylphenyl)thiophene 1044231-42-6 C15H15F3S
    2-正丁基-5-(萘-2-基)呋喃 2-n-butyl-5-(naphthalen-2-yl)furan 1005759-05-6 C18H18O
    2-正丁基-5-(萘-1-基)噻吩 2-butyl-5-(naphthalen-1-yl)thiophene 1044231-45-9 C18H18S
    2-正丁基-5-(4-硝基苯基)噻吩 2-butyl-5-(4-nitrophenyl)thiophene 1044231-36-8 C14H15NO2S
    2-正丁基-5-(4-甲氧基苯基)噻吩 2-butyl-5-(4-methoxyphenyl)thiophene 1042318-42-2 C15H18OS
    2-正丁基-5-(4-氟苯基)噻吩 2-n-butyl-5-(4-fluorophenyl)thiophene 1042318-38-6 C14H15FS
    2-正丁基-5-(4-(三氟甲基)苯基)呋喃 2-butyl-5-[4-(trifluoromethyl)phenyl]furan 1042318-49-9 C15H15F3O
    2-正丁基-4-硝基苯并咪唑 2-n-butyl-4-nitrobenzimidazole 101236-93-5 C11H13N3O2
    2-正丁基-4-甲基-1,2-二氢喹唑啉 2-n-butyl-4-methyl-1,2-dihydroquinazoline 1044743-01-2 C13H18N2
    2-正丁基-4-环庚烯-1-酮 2-n-butyl-4-cyclohepten-1-one 102393-55-5 C11H18O
    2-正丁基-4-氧代-1,2,3,4-四氢吡啶-1-羧酸乙酯 ethyl 2-n-butyl-4-oxo-1,2,3,4-tetrahydropyridine-1-carboxylate 105875-31-8 C12H19NO3
    2-正丁基-4-戊烯酸 2-n-butyl-4-pentenoic acid 1575-75-3 C9H16O2
    2-正丁基-4,5-二羟甲基咪唑 2-n-butyl-4,5-di-(hydroxymethyl)-1H-imidazole 136317-69-6 C9H16N2O2
    2-正-丙基-2-金刚烷醇 Galanin(1-12)-ala-neuropeptide Y(25-36)amide 147138-51-0 C136H209N41O34
    2-新戊基-3-叔丁基苯酚 2-neopentyl-3-tert-butylphenol 101144-98-3 C15H24O
    2-戊醇3,5-二硝基苯甲酸酯 2-Pentanol 3,5-dinitrobenzoate ester 10574-10-4 C12H14N2O6
    2-戊醇,4-[[(4R)-4-甲基-1-环己烯-1-基]氧代]-,(2R,4R)- (2R,4R)-4-((R)-4-Methyl-cyclohex-1-enyloxy)-pentan-2-ol 105661-77-6 C12H22O2
    2-戊醇,4,4-二甲基-1-(苯基甲氧基)- 4,4-dimethyl-1-phenylmethoxypentan-2-ol 173917-48-1 C14H22O2
    2-戊醇,3-氯- 3-chloro-pentan-2-ol 139121-35-0 C5H11ClO
    2-戊醇,1,1,1-三氟-4-甲基-3-硝基- (2RS,3SR)-4-Methyl-3-nitro-1,1,1-trifluoro-2-pentanol 130965-79-6 C6H10F3NO3
    2-戊酮酸 2-oxopentanoic acid 1821-02-9 C5H8O3
    2-戊酮,5-苯基-1,1-二(苯基硫代)- 5-Phenyl-1,1-bis-phenylsulfanyl-pentan-2-one 105962-60-5 C23H22OS2
    2-戊酮,4-[(2-甲基-3-呋喃基)硫代]- 4-(2-methyl-3-furyl-thio)-pentan-2-one 134281-01-9 C10H14O2S
    2-戊酮,4-(9,10-二氢-9-蒽基)-4-甲基- 4-(9,10-dihydroanthr-9-yl)-4-methylpentan-2-one 105882-50-6 C20H22O
    2-戊酮,3-羟基-3-(羟甲基)- (4R)-2,4-diisopropyl-4,5-dihydrooxazole 189040-53-7 C9H17NO
    2-戊酮,3-乙基-3-(羟甲基)-(9CI) 3-ethyl-3-hydroxymethyl-pentan-2-one 160193-85-1 C8H16O2
    2-戊酮,1-氯-4-[(4-甲基苯基)硫代]- 2-(p-tolylmercapto)-5-chloropentanone-4 113311-56-1 C12H15ClOS
    2-戊酮,1,3-二溴-4,4-二甲基- 1,3-Dibrom-4,4-dimethyl-pentan-2-on 1577-32-8 C7H12Br2O
    2-戊酮,1,1,1-三氟-5-(苯基甲氧基)- 5-Benzyloxy-1,1,1-trifluoro-pentan-2-one 129781-11-9 C12H13F3O2
    2-戊酮(邻硝基苯基)腙 2-pentanone (o-nitrophenyl)hydrazone 102148-77-6 C11H15N3O2
    2-戊酮(对硝基苯基)腙 2-pentanone (p-nitrophenyl)hydrazone 102148-72-1 C11H15N3O2
    2-戊酮 2-Pentanone 107-87-9 C5H10O
    2-戊烯酸,5-苯基-4-[[(苯基甲氧基)羰基]氨基]-,甲基酯,(2E,4S)- 4-benzyloxycarbonylamino-5-phenyl-pent-2-enoic acid methyl ester 132618-89-4 C20H21NO4
    2-戊烯酸,5-羰基-5-苯基-4-(四氢-2(1H)-嘧啶亚基)-,甲基酯,(2E)- methyl 4-<benzoyl(2-hexahydropyrimidinylidene)>-(E)-but-2-enoate 107165-87-7 C16H18N2O3
    2-戊烯酸,5-[(乙酰氧基)亚氨基]-4,4-二甲基-,1,1-二甲基乙基酯,(E,E)- 2-Pentenoic acid, 5-[(acetyloxy)imino]-4,4-dimethyl-, 1,1-dimethylethylester, (E,E)- 139745-67-8 C13H21NO4
    2-戊烯酸,5-(4-甲氧苯基)-5-羰基-4-(四氢-2(1H)-嘧啶亚基)-,甲基酯,(2E)- methyl 4-<(2-hexahydropyrimidinylidene)-4-methoxybenzoyl>-(E)-but-2-enoate 107165-88-8 C17H20N2O4
    2-戊烯酸,5-(2,2-二甲基-1,3-二噁戊环-4-基)-4-羟基-,甲基酯 (E)-5-(2,2-Dimethyl-[1,3]dioxolan-4-yl)-4-hydroxy-pent-2-enoic acid methyl ester 139670-21-6 C11H18O5
    2-戊烯酸,5-(1,3-二氢-1,3-二羰基-2H-异吲哚-2-基)-4-羰基- 5-Phthalimido-pent-2-en-4-on-saeure 16493-29-1 C13H9NO5
    2-戊烯酸,4-(乙酰基氨基)-2-氰基-3-羟基-5-苯基-,1,1-二甲基乙基酯,(S)- (Z)-(S)-4-Acetylamino-2-cyano-3-hydroxy-5-phenyl-pent-2-enoic acid tert-butyl ester 139168-56-2 C18H22N2O4
    2-戊烯酸,4-(2,6-二甲氧基-4-甲基苯基)-5-羟基-,甲基酯,(E)- 2-Pentenoic acid, 4-(2,6-dimethoxy-4-methylphenyl)-5-hydroxy-, methylester, (E)- 164921-89-5 C15H20O5