| 摘要 |
Cis-fused compounds of the formula I <CHEM> wherein R is methoxy or ethoxy, when R is methoxy, R<1> is methyl and R<2> and R<3> are both hydrogen or both methyl, and when R is ethoxy, R<1> is hydrogen and R<2> and R<3> are both methyl, and enantiomers and salts thereof are new and useful as antioxidants, within the medical and non-medical field. |
