| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 2,3,4,6-四甲基吡啶阳离子 | 2,3,4,6-tetramethylpyrylium cation | 15959-34-9 | C9H13O |
| 2,3,4,6-四甲基吡啶 | 2,6-dimethyllutidine | 20820-82-0 | C9H13N |
| 2,3,4,6-四甲基-2,3-二氢苯并呋喃 | 2,3,4,6-Tetramethyl-2,3-dihydro-1-benzofuran | 129698-03-9 | C12H16O |
| 2,3,4,6-四溴-吡啶 | 2,3,4,6-tetrabromo-pyridine | 101252-31-7 | C5HBr4N |
| 2,3,4,6-四氯-5-甲基-吡啶 | 1,2,4,5-tetrachloro-3-methylpyridine | 17624-14-5 | C6H3Cl4N |
| 2,3,4,6-四氢异喹啉-6-酮,1-[4-羟基苯甲基]-7-甲氧基- | 3,4-Dihydro-1-(4-hydroxybenzyl)-7-methoxyisoquinolin-6(2H)-one | 128944-43-4 | C17H17NO3 |
| 2,3,4,6-四氢-2,2,5,11-四甲基-1H-吡啶并[4,3-b]咔唑鎓氢氧化物(1:1) | Dmteh | 87988-85-0 | C19H25N2O+ |
| 2,3,4,6-四氢-(9ci)-1,6-萘啶-5(1h)-酮 | 1,2,3,4-tetrahydro-1,6-naphthyridine-5(6H)-one | 155057-98-0 | C8H10N2O |
| 2,3,4,6-四氟吡啶 | 2,3,4,6-tetrafluoropyridine | 3512-13-8 | C5HF4N |
| 2,3,4,6-四乙基-1,4-吡嗪 | 2,3,5,6-tetraethylpyrazine | 38325-19-8 | C12H20N2 |
| 2,3,4,6-吡啶四羧酸 | pyridine-2,3,4,6-tetracarboxylic acid | 90673-26-0 | C9H5NO8 |
| 2,3,4,6,8-五氯二苯并呋喃 | 2,3,4,6,8-pentachlorodibenzofuran | 67481-22-5 | C12H3Cl5O |
| 2,3,4,6,8-五氯二苯并-对二恶英 | 1,2,3,7,9-pentachlorodibenzodioxin | 71925-17-2 | C12H3Cl5O2 |
| 2,3,4,6,7-五溴二苯并呋喃 | 2,3,4,6,7-Pentabromodibenzofuran | 124388-77-8 | C12H3Br5O |
| 2,3,4,6,7,8-六氯二苯并呋喃 | 2,3,4,6,7,8-hexachlorodibenzofuran | 60851-34-5 | C12H2Cl6O |
| 2,3,4,6,7,8-六氢吡咯并[1,2-a]嘧啶乙酸酯 | 1,5-diazabicyclo[4.3.0]non-5-enium acetate | —— | C2H4O2*C7H12N2 |
| 2,3,4,6,7,8-六氢-[1,3,2]氧氮杂膦咛并[2,3-b][1,3,2]氧氮杂膦咛 | 2,10-dioxa-6-aza-1-phosphabicyclo<4.4.0>decane | 74378-80-6 | C6H12NO2P |
| 2,3,4,6,7,8-六氢-4-(3-羟基苯基)-7,7-二甲基-2-硫代-5(1H)-喹唑啉酮 | 2,3,4,6,7,8-hexahydro-4-(3-hydroxyphenyl)-7,7-dimethyl-2-thioxo-5(1H)-quinazolinone | 863774-58-7 | C16H18N2O2S |
| 2,3,4,6,7,8-六氢-1,3-二甲基-8-羟基乙基-1H-咪唑并(2,1-f)嘌呤-2,4-二酮 | dimethyl-1,3 dioxo-2,4 dihydro-6,7 (hydroxy-2 ethyl)-8 1H,3H,8H imidazo<2,1-f>purine | 28557-24-6 | C11H15N5O3 |
| 2,3,4,6,7,8,9,9alpha-八氢-1H-吡啶并[1,2-a]吡嗪-3-基甲醇 | octahydropyrido[1,2-<i>a</i>]-pyrazin-3-yl-methanol | 120614-00-8 | C9H18N2O |
| 2,3,4,6,7,8,9,10-八氢吡啶并[1,2-a]氮杂-1-羧酸乙酯 | 1-carbethoxy-2,3,6,7,8,9-hexahydro-4H,10H-pyrido<1,2,a>azepine | 130604-89-6 | C13H21NO2 |
| 2,3,4,6,7,11b-六氢-1H-吡嗪o[2,1-a]异喹啉 | 1,3,4,6,7,11b-hexahydro-2<i>H</i>-pyrazino[2,1-<i>a</i>]isoquinoline | 5234-86-6 | C12H16N2 |
| 2,3,4,6,7,11b-六氢-1H-吡嗪[2,1-a]异喹啉双盐酸盐 | 2,3,4,6,7,11b-Hexahydro-1H-pyrazino[2,1-a]isoquinoline dihydrochloride | 5260-46-8 | C12H18Cl2N2 |
| 2,3,4,5-四苯基吡咯 | 2,3,4,5-tetraphenyl-1H-pyrrole | 3263-79-4 | C28H21N |
| 2,3,4,5-四甲基戊二烯二甲基环硅二叔丁基丁胺基钛二氯 | 135072-61-6 | C15H27Cl2NSiTi- | |
| 2,3,4,5-四甲基噻吩 | tetramethylthiophene | 14503-51-6 | C8H12S |
| 2,3,4,5-四甲基呋喃 | 2,3,4,5-tetramethylfuran | 10599-58-3 | C8H12O |
| 2,3,4,5-四甲基吡啶 | 2,3,4,5-tetramethyl pyridine | 18441-60-6 | C9H13N |
| 2,3,4,5-四甲基吡咯 | 2,3,4,5-tetramethylpyrrole | 1003-90-3 | C8H13N |
| 2,3,4,5-四甲基-1-苯基-1H-磷杂环戊二烯 | 1-Cyclohexyl-2,3,4,5-tetramethylphospholane | 112549-07-2 | C14H27P |
| 2,3,4,5-四氯四氢噻吩 | 2,3,4,5-tetrachloro-tetrahydro-thiophene | 64048-11-9 | C4H4Cl4S |
| 2,3,4,5-四氯四氢呋喃 | 2,3,4,5-Tetrachlor-tetrahydrofuran | 4303-16-6 | C4H4Cl4O |
| 2,3,4,5-四氯四氢-2-糠酸乙酯 | 2,3,4,5-tetrachloro-tetrahydro-furan-2-carboxylic acid ethyl ester | 4301-38-6 | C7H8Cl4O3 |
| 2,3,4,5-四氯噻吩 1,1-二氧化物 | 2,3,4,5-tetrachlorothiophene-1,1-dioxide | 72448-17-0 | C4Cl4O2S |
| 2,3,4,5-四氯吡啶 | 2,3,4,5-tetrachloro-pyridine | 2808-86-8 | C5HCl4N |
| 2,3,4,5-四氯-6-氟吡啶 | 3,4,5,6-tetrachloro-2-fluoropyridine | 17717-16-7 | C5Cl4FN |
| 2,3,4,5-四氯-6-噻吩-2-基-吡啶 | 2,3,4,5-tetrachloro-6-thiophen-2-yl-pyridine | 10469-03-1 | C9H3Cl4NS |
| 2,3,4,5-四氯-6-(三氯甲基)吡啶 | 2,3,4,5-tetrachloro-6-(trichloromethyl)-pyridine | 1134-04-9 | C6Cl7N |
| 2,3,4,5-四氯-6-(4-甲氧基苯基)吡啶 | 3,4,5,6-Tetrachlor-2-(4-methoxy-phenyl)-pyridin | 10469-05-3 | C12H7Cl4NO |
| 2,3,4,5-四氯-6-(2,4,5,7-四溴-6-羟基-3-氧代-3H-占吨-9-基)苯甲酸 | phloxine B | 2134-15-8 | C20H4Br4Cl4O5 |
| 2,3,4,5-四氯-6-(2,4,5,7-四溴-6-羟基-3-氧代-3H-占吨-9-基)苯甲酸 | phloxine B | 13473-26-2 | C20H4Br4Cl4O5 |
| 2,3,4,5-四氯-6-(2,4,5,7-四溴-3-羟基-6-氧代氧杂蒽-9-基)苯甲酸钠盐 | Sodium;2,3,4,5-tetrachloro-6-(2,4,5,7-tetrabromo-3-hydroxy-6-oxoxanthen-9-yl)benzoic acid | 4618-23-9 | C20H4Br4Cl4NaO5+ |
| 2,3,4,5-四氢苯并[f][1,4]氧氮杂卓 | 2.3.4.5-Tetrahydro-benzo[f][1,4]oxazepine | 17775-01-8 | C9H11NO |
| 2,3,4,5-四氢苯并[c]氮杂-1-酮 | 2,3,4,5-tetrahydro-1H-2-benzazepin-1-one | 6729-50-6 | C10H11NO |
| 2,3,4,5-四氢苯并[b]氮杂卓-1-甲醛 | 1-formyl-2,3,4,5-tetrahydro-1H-1-benzazepine | 65596-57-8 | C11H13NO |
| 2,3,4,5-四氢苯并[F][1,4]氧氮杂卓盐酸盐 | 2,3,4,5-tetrahydro-benzo[<i>f</i>][1,4]thiazepine 1,1-dioxide; hydrochloride | 24187-83-5 | C9H11NO2S*ClH |
| 2,3,4,5-四氢吡喃并[3,2-b]吲哚 | 2,3,4,5-Tetrahydro-pyrano<3,2-b>indol | 98166-25-7 | C11H11NO |
| 2,3,4,5-四氢吡啶1-氧化物 | 2,3,4,5-tetrahydropyridine N-oxide | 34418-91-2 | C5H9NO |
| 2,3,4,5-四氢吡啶-6-基脲 | 2-(N-Carbamidoimino)piperidine | 97482-12-7 | C6H11N3O |
| 2,3,4,5-四氢吡啶 | 2,3,4,5-tetrahydropyridine | 505-18-0 | C5H9N |