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    中文名称 英文名称 CAS号 化学式
    1,2,4-三唑并[4,3-a]吡嗪-3-羧酸乙酯 ethyl [1,2,4]triazolo[4,3-a]pyrazine-3-carboxylate 723286-67-7 C8H8N4O2
    1,2,4-三唑并[4,3-a]吡啶-3-胺 3-amino-s-triazolo-<4,3-a>-pyridne 767-62-4 C6H6N4
    1,2,4-三乙炔基苯 1,2,4-triethynylbenzene 70603-30-4 C12H6
    1,2,4-三(苯磺酰基)苯 1,2,4-tris-benzenesulfonyl-benzene 70415-98-4 C24H18O6S3
    1,2,4-三(乙烯基)苯 1,2,4-Trivinyl-benzol 7641-80-7 C12H12
    1,2,4-三(2-羟基乙基)-1,2,4-三唑烷-3,5-二酮 1,2,4-Tris(2-hydroxyethyl)-1,2,4-triazolidine-3,5-dione 75797-21-6 C8H15N3O5
    1,2,4,9-四氯二苯并[1,4]二恶英 1,2,4,9-tetrachlorodibenzo-p-dioxin 71665-99-1 C12H4Cl4O2
    1,2,4,8-四氯二苯并[1,4]二恶英 1,2,4,8-tetrachlorodibenzo-p-dioxin 71669-29-9 C12H4Cl4O2
    1,2,4,8,9-五氯-二苯并呋喃 1,2,4,8,9-pentachlorodibenzofuran 70648-23-6 C12H3Cl5O
    1,2,4,7-四氯-二苯并[b,e][1,4]二恶英 1,2,4,7-tetrachlorodioxine 71669-28-8 C12H4Cl4O2
    1,2,4,7,9-五氯氧杂蒽 Oxytocinoic acid dimethylamide 73631-36-4 C45H70N12O12S2
    1,2,4,7,9-五氯二苯并呋喃 1,2,4,7,9-pentachlorodibenzofuran 71998-74-8 C12H3Cl5O
    1,2,4,6-四氯二苯并呋喃 1,2,4,6-tetrachlorodibenzofuran 71998-73-7 C12H4Cl4O
    1,2,4,6-四氯二苯并[1,4]二恶英 1,2,4,6-tetrachlorodibenzo-p-dioxin 71669-27-7 C12H4Cl4O2
    1,2,4,6,8/1,2,4,7,9-五氯二苯并-对-二噁英 1,2,4,6,8-pentachlorodibenzo-p-dioxin 71998-76-0 C12H3Cl5O2
    1,2,4,6,7,9-六氯-二苯并呋喃 1,2,4,6,7,9-hexachlorodibenzofuran 75627-02-0 C12H2Cl6O
    1,2,4,5-苯四(甲酰氯) benzene-1,2,4,5-tetracarbonyl chloride 7710-20-5 C10H2Cl4O4
    1,2,4,5-四氰基苯 1,2,4,5-tetracyanobenzene 712-74-3 C10H2N4
    1,2,4,5-四氢睾酮内酯 17a-oxa-D-homo-5α-androstan-3,17-dione 7801-32-3 C19H28O3
    1,2,4,5-四异丙基硫苯 1,2,4,5-Tetrakis(isopropylthio)benzene 74542-69-1 C18H30S4
    1,2,4,5-四嗪-3-胺 1,2,4,5-tetrazine-3-amine 79329-74-1 C2H3N5
    1,2,4,5-四乙炔基苯 1,2,4,5-tetraethynylbenzene 70603-31-5 C14H6
    1,2,3-丙烷三醇1,2,4-苯三羧酸酯 1,2,4-Benzenetricarboxylic acid, ester with 1,2,3-propanetriol 71243-42-0 C12H14O9
    1,2,3-丙烷-1,1,2,3,3-d5-三醇-d3 glycerol-d8 7325-17-9 C3H8O3
    1,2,3-三羟基丙基 1,2,3-trihydroxy-propyl 7277-19-2 C3H7O3
    1,2,3-三甲氧基-5-苯乙烯基苯 1,2,3-trimethoxy-5-styrylbenzene 74809-43-1 C17H18O3
    1,2,3-三甲氧基-5-(甲氧基甲基)苯 1,2,3-trimethoxy-5-(methoxymethyl)benzene 75921-68-5 C11H16O4
    1,2,3-三甲氧基-10-甲硫基-7-[(3,4,5-三羟基四氢吡喃-2-基)氨基]-6,7-二氢-5H-苯并[g]庚搭烯-9-酮 Benzo(a)heptalen-9(5H)-one, 7-(alpha-L-arabinosylamino)-6,7-dihydro-1,2,3-trimethoxy-10-(methylthio)-, (S)- 76155-18-5 C25H31NO8S
    1,2,3-三甲基环己烯 1,2,3-trimethyl-cyclohexene 72312-48-2 C9H16
    1,2,3-三溴-5-甲基苯 1-methyl-3,4,5-tribromobenzene 73557-59-2 C7H5Br3
    1,2,3-三溴-5-(2,4-二溴苯基)苯 2,3',4,4',5'-Pentabromobiphenyl 74114-77-5 C12H5Br5
    1,2,3-三溴-4-(2-溴乙基)苯 β-bromoethyl tribromobenzene 73056-39-0 C8H6Br4
    1,2,3-三溴-4,5-二氯苯 1,2,3-tribromo-4,5-dichlorobenzene 73557-62-7 C6HBr3Cl2
    1,2,3-三溴-3-甲基-丁烷 1,2,3-tribromo-3-methyl-butane 717913-76-3 C5H9Br3
    1,2,3-三氯环戊并-1,3-二烯 Trichlorocyclopentadiene 77323-84-3 C5H3Cl3
    1,2,3-三氯五氟丙烷 1,2,3-trichloro-1,1,2,3,3-pentafluoropropane 76-17-5 C3Cl3F5
    1,2,3-三氯-5-(氯甲基)苯 3,4,5-trichlorobenzyl chloride 79185-27-6 C7H4Cl4
    1,2,3-三氯-4-(2,4-二氯苯氧基)苯 Benzo(6,7)phenanthro(3,4-b)oxirene-2,3-diol, 1a,2,3,11c-tetrahydro-6,11-dimethyl- 74340-90-2 C20H18O3
    1,2,3-三氯-3-甲基丁烷 1,2,3-Trichlor-3-methylbutan 76397-23-4 C5H9Cl3
    1,2,3-三氯-2-氟丙烷 1,2,3-trichloro-2-fluoro-propane 7126-16-1 C3H4Cl3F
    1,2,3,9-四氯二苯并[1,4]二恶英 1,2,3,9-tetrachlorodibenzo-p-dioxin 71669-26-6 C12H4Cl4O2
    1,2,3,8,9-五氯二苯并-对-二恶英 1,2,3,8,9-pentachlorodibenzo-p-dioxin 71925-18-3 C12H3Cl5O2
    1,2,3,7,8,9-六氯二苯并呋喃 1,2,3,7,8,9-hexachlorodibenzofuran 72918-21-9 C12H2Cl6O
    1,2,3,6-四氯二苯并[1,4]二恶英 1,2,3,6-tetrachlorodibenzo-p-dioxin 71669-25-5 C12H4Cl4O2
    1,2,3,6-四氢吡啶-4-羧酸甲酯盐酸盐 methyl 1,2,3,6-tetrahydropyridine-4-carboxylate hydrochloride 70684-82-1 C7H11NO2*ClH
    1,2,3,6-四氢-N-辛基-3,6-甲桥邻苯二甲酰亚胺 N-Octylbicycloheptene dicarboximide 7786-80-3 C17H25NO2
    1,2,3,6-四氢-N,N,N,1,3-五甲基-2,6-二氧代-7H-嘌呤-7-乙铵碘化物(1:1) [2-(1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydro-purin-7-yl)-ethyl]-trimethyl-ammonium; iodide 7145-94-0 C12H20N5O2*I
    1,2,3,6-四氢-4-甲基-N-(2,2,6,6-四甲基-4-哌啶基)邻苯二甲酰亚胺 1,2,3,6-Tetrahydro-4-methyl-N-(2,2,6,6-tetramethyl-4-piperidyl)phthalimide 79720-23-3 C18H28N2O2
    1,2,3,6-四氢-4-三氟甲基吡啶 1,2,3,6-tetrahydro-4-(trifluoromethyl)pyridine 790646-62-7 C6H8F3N
    1,2,3,6-四氢-4-(对甲苯基)吡啶鎓氯化物 4-<i>p</i>-tolyl-1,2,3,6-tetrahydro-pyridine; hydrochloride 71965-06-5 C12H15N*ClH