摘要 |
<p>The invention is directed to novel compounds selected from the class of compounds having the structural formulae <CHEM> wherein the cyclohexane moiety with the dotted circle represents either a cyclohexane ring or a benzene ring, n represents an integer with the value 1, 3, or 4, m represents an integer with the value 1 or 2, R1, R2, R3, R4 and R5, represent hydrogen or a lower alkyl group, and the total carbon number of R1, R2, R3, R4 and R5 combined is eight or less.</p> |