Patent ID: 8557842

Claim:
A compound of Formula (I): wherein: R 1a is (C 1-6 ) alkyl, substituted (C 1-6 ) alkyl, (C 3-6 ) cycloalkyl, substituted (C 3-6 ) cycloalkyl, (C 2-6 ) alkenyl, substituted (C 2-6 ) alkenyl, (C 2-6 ) alkynyl, substituted (C 2-6 ) alkynyl, aryl, substituted aryl, heterocyclyl, or substituted heterocyclyl; R 2 is cyano, —C(═O)H, alkoxycarbonyl, aroxycarbonyl, heterocycloxycarbonyl, acyl, aroyl, heterocycloyl, —C(═NR 9 )R 7 , —C(═O)NR 7 R 8 , —C(═S)NR 7 R 8 , —C(═O)N(OMe)Me, —C(═S)N(OMe)Me, —SO 2 R 9 , —SO 2 NR 7 R 8 , or —P(═O)(OR 9 ) 2 ; R 3 is acyloxy, substituted acyloxy, aroyloxy, substituted aroyloxy, heteroaroyloxy, substituted heteroaroyloxy, —OC(═O)—NR 7 R 8 , (C 1-6 ) alkoxy, substituted (C 1-6 ) alkoxy, (C 3-6 ) cycloalkoxy, substituted (C 3-6 ) cycloalkoxy, aroxy, substituted aroxy, heterocycloxy, substituted heterocycloxy, (alkoxycarbonyl)oxy, (aroxycarbonyl)oxy, or (heterocycloxycarbonyl)oxy; R 3′ is H; R 4 is H, (C 1-6 ) alkyl, substituted (C 1-6 ) alkyl, (C 3-6 ) cycloalkyl, substituted (C 3-6 ) cycloalkyl, (C 2-6 ) alkenyl, substituted (C 2-6 ) alkenyl, (C 2-6 ) alkynyl, substituted (C 2-6 ) alkynyl, aryl, substituted aryl, heterocyclyl, substituted heterocyclyl, (C 1-6 ) alkoxy, aroxy, or heteroaroxy; R 6 is H, (C 1-6 ) alkyl, substituted (C 1-6 ) alkyl, (C 3-6 ) cycloalkyl, substituted (C 3-6 ) cycloalkyl, (C 2-6 ) alkenyl, substituted (C 2-6 ) alkenyl, (C 2-6 ) alkynyl, substituted (C 2-6 ) alkynyl, aryl, substituted aryl, heterocyclyl, substituted heterocyclyl, —C(═O)NR 7 R 8 , —SO 2 R 9 , —SO 2 NR 7 R 8 , —P(═O)(OR 9 ) 2 , alkoxycarbonyl, aroxycarbonyl, heterocycloxycarbonyl, acyl, aroyl, or heterocycloyl; R 7 and R 8 are independently H, (C 1-6 ) alkyl, substituted (C 1-6 ) alkyl, (C 3-6 ) cycloalkyl, substituted (C 3-6 ) cycloalkyl, aryl, substituted aryl, heterocyclyl, or substituted heterocyclyl; and each occurrence of R 9 is independently (C 1-6 ) alkyl, substituted (C 1-6 ) alkyl, (C 3-6 ) cycloalkyl, substituted (C 3-6 ) cycloalkyl, aryl, substituted aryl, heterocyclyl, or substituted heterocyclyl; or a salt thereof.