Patent ID: 8865701

Claim:
A compound of formula (I) wherein: R 1 is selected from the group consisting of (1) hydrogen (2) C 1-6 alkyl, (3) C 3-9 cycloalkyl, and (4) phenyl, wherein said alkyl, cycloalkyl or phenyl R 1 moiety is optionally substituted with one or more (a) halo, (b) —OH, (c) —CN, (d) —C 1-6 alkyl (e) —C 3-6 cycloalkyl, or (f) —O—C 1-6 alkyl; R 2 is hydrogen; R 3 is selected from the group consisting of: (1) hydrogen, (2) C 6-10 aryl (for example, phenyl), and (3) heteroaryl, wherein said aryl or heteroaryl R 3 moiety is optionally substituted with one or more (a) halo, (b) —C 1-6 alkyl, wherein said alkyl is optionally substituted with one or more halogen, and (c) —O—C 1-6 alkyl; R 11 is selected from the group consisting of (1) hydrogen (2) C 1-6 alkyl, (3) C 3-6 cycloalkyl, and (4) phenyl, wherein said alkyl, cycloalkyl or phenyl R 11 moiety is optionally substituted with one or more (a) halo, (b) —OH, (c) —CN, (d) —C 1-6 alkyl (e) —C 3-6 cycloalkyl, or (f) —O—C 1-6 alkyl.