主权项 |
1. A compound having the structure: or a pharmaceutically acceptable salt thereof, wherein:
L is C1-C6 alkylene;A is arylene or heteroarylene;B is substituted or unsubstituted aryl;R1 is H, C1-C6 alkyl, —CH2OH, —CF3, aryl, or heteroaryl; andR2 is H, C1-C6 alkyl, hydroxyethyl, |