| 摘要 |
<p>A compound of formula (I), wherein X' is nitrogen or carbon bonded to a substituent species characterized as having a sigma m value greater than 0, less than 0 or 0; X is nitrogen or carbon bonded to a substituent species characterized as having a sigma m value equal to 0; A, A' and A' are individually substituent species characterized as having a sigma m value greater than 0, less than 0 or 0; Z' is a substituent other than hydrogen; j is an integer from 0 to 5; and the wavy line in the structure indicates that the compound can exist in the form of an enantiomer or a diasteromer; Z' is hydrogen or a substituent other than hydrogen; Y is C=O, C(OH)R' or C-A, where R' is hydrogen or lower alkyl is provided.</p> |
