| 单词 | 1, 2, 5, 6-dibenzanthracene |
| 释义 | > as lemmas1, 2, 5, 6-dibenzanthracene Any of several hydrocarbon derivatives of anthracene with a molecular structure consisting of five fused benzene rings and the formula C22H14; spec. 1, 2, 5, 6-dibenzanthracene, a colourless crystalline compound, present in coal tar and tobacco smoke, and having carcinogenic properties. ΚΠ 1918 Jrnl. Chem. Soc. 114 i. 494 (title) Synthesis of the isomeric hydrocarbons 1:2:5:6-dibenzanthracene and 3:4:5:6-dibenzphenanthrene. 1944 Ann. Reg. 1943 352 Ethyl mercuric chloride proved to be a polyploidogenic agent, dibenzanthracene facilitating its action. 1962 D. B. Clayson Chem. Carcinogenesis iii. 65 Magnus (1939) introduced 1:2:5:6-dibenzanthracene into mice by forced feeding and obtained lung tumours. 1964 R. Schoental in E. Clar Polycyclic Hydrocarbons xviii. 141 For example, 1.2,5.6-dibenzanthracene..is a potent carcinogen, but the 1.2,3.4-dibenzanthracene..is inactive. < as lemmas |
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