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中文名称 英文名称 CAS号 化学式
2,2'-[(1,2-二氧代-1,2-乙二基)二亚胺]二[5-氨基-苯磺酸 2,2'-((1,2-Dioxoethylene)diimino)bis(5-aminobenzenesulphonic acid) 71849-94-0 C14H14N4O8S2
2,2'-(乙烯二磺酰基)二乙醇 1,2-bis(2-hydroxyethylsulfonyl)ethane 7484-34-6 C6H14O6S2
2,2'-(丙烷-1,3-二基磺酰基)二乙醇 1,3-bis(2-hydroxyethylsulfinyl)propane 76305-83-4 C7H16O4S2
2,2'-(丁炔-1,4-二基磺酰基)二乙醇 1,4-bis(2-hydroxyethylsulfonyl)butane 7426-03-1 C8H18O6S2
2,2'-(9,10-蒽二亚基)-双丙二腈 11,11,12,12,-tetracyano-9,10-anthraquinodimethane 70359-39-6 C20H8N4
2,2'-(2,2,3,3,4,4,5,5,6,6,7,7-十二氟辛烷-1,8-二基)双(环氧乙烷) 1,2;11,12-Diepoxy-4,4,5,5,6,6,7,7,8,8,9,9-dodecafluorododecane 74328-56-6 C12H10F12O2
2,2'-(1,4-亚苯基)二[5-(4-甲基苯基)恶唑] 1,4-di<2-(5-p-tolyloxazolyl)>benzene 7091-75-0 C26H20N2O2
2,2'-(1,4-亚苯基)二(2-氯丙烷) 1,4-bis(1-chloro-1-methylethyl)benzene 7374-80-3 C12H16Cl2
2,2'-(1,2-乙二基二亚氨基)二(1-丁醇) (+)-2,2'-(ethylenediimino)-di-1-butanol 74-55-5 C10H24N2O2
2,2'-(1,1'-联萘基-2,2'-二基)二(7-叔丁基喹啉-8-醇) TBOxH 793695-09-7 C46H40N2O2
2,2',6,6'-四氯二苄基醚 2,6-dichlorobenzyl ether 73927-56-7 C14H10Cl4O
2,2',4,4',5,5'-六氯二苯基醚 2,2',4,4',5,5'-Hexachlorobiphenyl ether 71859-30-8 C12H4Cl6O
2,2',3,6-四氯联苯 2,3,4',6-tetrachlorobiphenyl 70362-45-7 C12H6Cl4
2,2',3,5-四氯联苯 2,2',3,5-tetrachlorobiphenyl 70362-46-8 C12H6Cl4
2,2',3,5,6'-五氯联苯 2,2',3,5,6'-Pentachlorobiphenyl 73575-55-0 C12H5Cl5
2,2',3,4,6,6'-六氯联苯 2,2',3,4,6,6'-Hexachlorobiphenyl 74472-40-5 C12H4Cl6
2,2',3,4,6'-五氯联苯 2,2',3,4,6'-Pentachlorobiphenyl 73575-57-2 C12H5Cl5
2,2',3,4,5,6,6'-七氯联苯 2,2',3,4',5,6,6'-heptachlorobiphenyl 74472-49-4 C12H3Cl7
2,2',3,4,4',6,6'-七氯联苯 2,2',3,4,4',6,6'-heptachlorobiphenyl 74472-48-3 C12H3Cl7
2,2',3,4,4',6,6'-七氯二苯基醚 Ige decapeptide 70669-29-3 C55H80N12O13
2,2',3,4,4',5,6-七氯联苯 2,2',3,4,4',5,6-Heptachlorobiphenyl 74472-47-2 C12H3Cl7
2,2',3,4',5,6'-六氯联苯 2,2',3,4',5,6'-hexachlorobiphenyl 74472-41-6 C12H4Cl6
2,2',3,3'-四甲基联苯 2,2′,3,3′-tetramethylbiphenyl 7495-46-7 C16H18
2,2',2''-[次氮基&lt三价氮基&gt三(乙烷-2,1-二氧基)]三乙醇盐酸 2,2',2''-[Nitrilotris(ethane-2,1-diyloxy)]trisethanol hydrochloride 71794-46-2 C12H27NO6.ClH
2,2',2'',2'''-[1,2-联二亚甲基四(4,1-亚苯基亚甲氧)]四环氧乙烷 GTR 1800 7328-97-4 C38H38O8
2,2',2'',2'''-(1,4,8,11-四氮杂环十四烷-1,4,8,11-四基)四乙酸四盐酸盐水合物 2-[4,8,11-Tris(carboxymethyl)-1,4,8,11-tetrazacyclotetradec-1-yl]acetic acid;tetrahydrochloride 78668-42-5 C18H36Cl4N4O8
2,13-二氧杂-7,8-二硫杂-3,12-二硅杂十四烷,3,12-二甲氧基-3,12-二甲基- 1-(2-((2-((4-Chlorophenyl)thio)ethyl)thio)-2-(2,4-dichlorophenyl)ethyl)-1H-imidazole 71821-27-7 C19H17Cl3N2S2
2,12-二甲氧基-6-(3-甲氧苄基)-7-甲基-6,7,8,9-四氢-5H-二苯并[d,f]吖壬英-1-基乙酸酯 (6R)-2,3,4-tri-O-acetyl-1,6-anhydro-6-methoxy-β-D-glucopyranose 74774-15-5 C13H18O9
2,11-十二烷二酮 2,11-dodecadione 7029-09-6 C12H22O2
2,10,11-三甲氧基-6-丙-2-烯-1-基-5,6,7,8-四氢-3H-7,12b-亚甲基二苯并[c,e]吖辛因-3-酮盐酸 4'-Epidaunomycin 75444-29-0 C27H29NO10
2,1-苯异噁唑-4-羧酸 2,1-Benzoxazole-4-carboxylic acid 716362-22-0 C8H5NO3
2,1-苯并恶唑-3-甲醛 benzo[c]isoxazole-3-carbaldehyde 74052-97-4 C8H5NO2
2,1,3-苯并硒二唑-4-胺 4-amino-2,1,3-benzoselenadiazole 767-65-7 C6H5N3Se
2,1,3-苯并恶二唑-5-甲酰氯3-氧化物 N-5(6)-benzofuroxanoyl chloride 74221-41-3 C7H3ClN2O3
2,1,3-苯并噻二唑-5-甲醛 benzo[c][1,2,5]thiadiazole-5-carbaldehyde 71605-72-6 C7H4N2OS
2,1,3-苯并噻二唑-4-醇 benzo[1,2,5]thiadiazol-4-ol 767-66-8 C6H4N2OS
2,1,3-苯并噻二唑-4-胺 4-aminobenzofurazan 767-63-5 C6H5N3O
2,1,3-苯并噁二唑-4,5-二胺 4,5-diaminobenzofurazan 70015-83-7 C6H6N4O
2, 4-二氧代哌啶-3-羧酸甲酯 methyl 2,4-dioxopiperidine-3-carboxylate 74730-43-1 C7H9NO4
2(5H)-异噻唑甲酰胺,N-[(3-氟苯基)甲基]-N,3-二甲基-4-(1-甲基乙基)-5-羰基- N-[4-[(4-methoxy-1,2,5-thiadiazol-3-yl)sulfamoyl]phenyl]acetamide 79962-97-3 C11H12N4O4S2
2(5H)-异噻唑甲酰胺,N,3-二甲基-4-(1-甲基乙基)-5-羰基-N-苯基- Dendalone 3-hydroxybutyrate 75605-85-5 C30H46O5
2(5H)-异噻唑甲酰胺,N,3-二甲基-4-(1-甲基乙基)-5-羰基-N-(2-苯基乙基)- 2-2-4-(Diethylamino)phenylvinyl-1,3,3-trimethyl-3H-indolium (dihydrogen phosphate) 75535-16-9 C23H31N2O4P
2(3H)-苯并噁唑酮,6-氨基六氢-4,7-二羟基-3-甲基-,(3aS,4R,6R,7S,7aS)- [(2R,3S,4S,5S,6R)-3,4,5-trihydroxy-6-(4-isothiocyanatophenoxy)oxan-2-yl]methyl dihydrogen phosphate 74141-15-4 C13H16NO9PS
2(3H)-苯并呋喃酮,3,7-二甲基- Enkephalinamide-met, ala(2,3)- 75059-08-4 C29H40N6O6S
2(3H)-呋喃酮,3-氨基-5-丁基二氢-,(3R,5R)- (3R,5R)-3-Amino-5-butyldihydrofuran-2(3H)-one 783294-17-7 C8H15NO2
2(3-硝基苯乙烯基)-喹啉 2-(3-nitrostyryl)quinoline 7251-91-4 C17H12N2O2
2(3)-(四氢糠基氧基)四氢吡喃 tetrahydrofurfuryl tetrahydropyranyl ether 710-14-5 C10H18O3
2(1H)-嘧啶酮,5-氨基-4-[(1-甲基乙基)氨基]-(9CI) 1,4-Benzenedisulfonic acid, 2-((4-((4-((1-hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl)azo)-1-naphthalenyl)azo)-6-sulfo-1-naphthalenyl)azo)-, ammonium sodium salt 75150-14-0 C42H32N8NaO13S4+
2(1H)-嘧啶酮,5-(1-甲基丙基)-,(S)-(9CI) 2-(4-Methylpiperidin-1-ium-4-yl)tricyclo[9.4.0.03,8]pentadeca-1(15),3,5,7,9,11,13-heptaen-2-ol;chloride 74499-08-4 C21H24ClNO
2(1H)-嘧啶酮,4-氨基-1-[(2S,5R)-四氢-5-(羟甲基)-2-呋喃基]- 4-amino-1-[(2S,5R)-5-(hydroxymethyl)tetrahydrofuran-2-yl]pyrimidin-2-one 7481-89-2 C9H13N3O3