| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 二氧化钌 | ruthenium (IV) dioxide | 12036-10-1 | O2Ru |
| 二氧化碳-<sup>18</sup>O<sub>2</sub> | carbon dioxide | 2537-69-1 | CO2 |
| 二氧化碳-18O | Carbon dioxide (18O2) | 18983-82-9 | CO2 |
| 二氧化碳-17O2 | carbon dioxide | 1173018-47-7 | CO2 |
| 二氧化碳-14C | [14C]carbon dioxide | 51-90-1 | CO2 |
| 二氧化碳-13C | carbon dioxide | 1111-72-4 | CO2 |
| 二氧化碳,环氧乙烷 | Oxirane, mixt. with carbon dioxide | 8070-50-6 | C3H4O3 |
| 二氧化碳(13C;18O2) | carbon dioxide | 2684-00-6 | CO2 |
| 二氧化碳 | carbon dioxide | 124-38-9 | CO2 |
| 二氧化碲 | tellurium(IV) oxide | 7446-07-3 | O2Te |
| 二氧化硫脲 | Aminoiminomethanesulfinic acid | 1758-73-2 | CH4N2O2S |
| 二氧化硫化二铕 | Dieuropium dioxide sulphide | 12159-82-9 | Eu2O2S |
| 二氧化硫化二钬 | Diholmium dioxide sulphide | 12162-58-2 | Ho2O2S |
| 二氧化硫化二钪 | Discandium dioxide sulphide | 54175-07-4 | O2SSc2 |
| 二氧化硫化二钐 | Disamarium dioxide sulphide | 12503-64-9 | O2SSm2 |
| 二氧化硫1-甲基吡咯烷加合物 | 1-Methylpyrrolidin-1-ium-1-sulfinate | 2098851-56-8 | C5H11NO2S |
| 二氧化硫 | sulfur dioxide | 12143-17-8 | O2S |
| 二氧化硒 | O2Se, monoclinic | 7446-08-4 | O2Se |
| 二氧化硅 | β-D-Galactofuranose | 41846-91-7 | C6H12O6 |
| 二氧化硅 | α-D-glucofuranose | 610-85-5 | C6H12O6 |
| 二氧化氯 | chlorine dioxide | 10049-04-4 | ClO2 |
| 二氧化氮 | Nitrogen dioxide | 10102-44-0 | NO2 |
| 二氧化氮 | dinitrogen tetroxide | 10544-72-6 | N2O4 |
| 二氧化二聚环戊二烯 | 1,2:5,6-Diepoxyhexahydro-4,7-methanoindan | 81-21-0 | C10H12O2 |
| 二氧化二硫 | disulfur dioxide | 126885-21-0 | O2S2 |
| 二氧化乙烯基环己烯 | Vinylcyclohexene diepoxide | 4223-10-3 | C8H12O2 |
| 二氧化三碳 | carbon suboxide | 504-64-3 | C3O2 |
| 二氧六环-d8 | 1,4-dioxane-d8 | 17647-74-4 | C4H8O2 |
| 二氧代革盖菌素B | Diketocoriolin B | 34864-30-7 | C23H32O6 |
| 二氧代琥珀酸二乙酯 | diethyl 2,3-dioxosuccinate | 59743-08-7 | C8H10O6 |
| 二氧代-氧代-(1,1,2,2,2-五氟乙基)膦烷 | pentafluoroethylphosphonic acid | 103305-01-7 | C2H2F5O3P |
| 二氧-12-氧代植物二烯酸 | cis-2,3-dinor-12-oxo-phytodienoic acid | 197247-23-7 | C16H24O3 |
| 二氢黄连碱 | dihydrocoptisine | 53777-78-9 | C19H15NO4 |
| 二氢黄豆苷元 | dihydrodaidzein | 17238-05-0 | C15H12O4 |
| 二氢黄藤素 | dihydropalmatine | 26067-60-7 | C21H23NO4 |
| 二氢黄芩素 | dihydrobaicalein | 35683-17-1 | C15H12O5 |
| 二氢黄樟素 | dihydrosafrole | 94-58-6 | C10H12O2 |
| 二氢黄柏苷; 黄柏甙 | (2R,3R)-3,5-dihydroxy-2-(4'-hydroxyphenyl)-8-(3-methylbut-2-en-1-yl)-4-oxo-3,4-dihydro-2H-chromen-7-yl-β-D-glucopyranoside | 52589-11-4 | C26H30O11 |
| 二氢麻醉椒素 | (+)-dihydromethysticin | 19902-91-1 | C15H16O5 |
| 二氢麦角隐亭 | Dihydroergocryptine | 25447-66-9 | C32H43N5O5 |
| 二氢麦角辛酒石酸盐 | Dihydroergosine tartrate | 73986-92-2 | C34H45N5O11 |
| 二氢麦角考宁 | dihydroergocornine | 25447-65-8 | C31H41N5O5 |
| 二氢麦角亭 | Dihydroergostin | 3609-19-6 | C34H39N5O5 |
| 二氢鱼藤酮 | dihydrorotenone | 6659-45-6 | C23H24O6 |
| 二氢香芹醇 | dihydrocarveol | 619-01-2 | C10H18O |
| 二氢非诺贝特 | dihydro fenofibrate | 61001-99-8 | C20H23ClO4 |
| 二氢青蒿酸 | dihydroartemisinic acid | 85031-59-0 | C15H24O2 |
| 二氢青蒿酸 | dihydroartemisinic acid | 161022-41-9 | C15H24O2 |
| 二氢阿魏酸4-O-硫酸酯钠盐 | 3-[3-Methoxy-4-(sulfooxy)phenyl]propanoic acid | 86321-33-7 | C10H12O7S |
| 二氢阿魏酸4-O-β-D-葡糖醛酸二锂盐 | Dihydroferulic acid-4-O-glucuronide | 86321-28-0 | C16H20O10 |