Patent ID: 9725402
Date: 2017-08-08
CPC Classifications: A61P,C07C,C07D,C07F

Claim:
1. A compound of the formula I: or a pharmaceutically acceptable salt thereof, wherein: each R D is selected from the group consisting of alkyl-C(O)—, substituted alkyl-C(O)—, perhaloalkyl-C(O)—, alkenyl-C(O)—, substituted alkenyl-C(O)—, alkynyl-C(O)—, substituted alkynyl-C(O)—, aryl-C(O)—, substituted aryl-C(O)—, heteroaryl-C(O)—, substituted heteroaryl-C(O)—, and heterocyclyl-C(O)—.