A compound of Formula I: enantiomers, diastereomers or pharmaceutically acceptable salts thereof, wherein: R 1 is hydrogen, C 1 -C 6 alkyl, or halogen; R 2 is pyridinyl, wherein R 2 is optionally substituted by C 1 -C 6 alkyl and said alkyl is optionally substituted by halogen; R 3 is phenyl, or 4-6 membered heterocyclyl such as pyridinyl, wherein R 3 is optionally substituted by 1-5 R 5; R 5 is independently C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, oxo, halogen,-(C 0 -C 3 alkyl)CN, -(C 0 -C 3 alkyl)OR 11, -(C 0 -C 3 alkyl)SR 11, -(C 0 -C 3 alkyl)NR 11 R 12, -(C 0 -C 3 alkyl)OCF 3, -(C 0 -C 3 alkyl)CF 3, -(C 0 -C 3 alkyl)NO 2, -(C 0 -C 3 alkyl)C R 11, -(C 0 -C 3 alkyl)C OR 11, -(C 0 -C 3 alkyl)C NR 11 R 12, -(C 0 -C 3 alkyl)NR 11 C R 12, -(C 0 -C 3 alkyl)S 1-2 R 11, -(C 0 -C 3 alkyl)NR 11 1-2 R 12, -(C 0 -C 3 alkyl)S 1-2 NR 11 R 12, -(C 0 -C 3 alkyl)(C 3 -C 6 cycloalkyl), -(C 0 -C 3 alkyl)(3-6-membered heterocyclyl), -(C 0 -C 3 alkyl)C (3-6-membered heterocyclyl), -(C 0 -C 3 alkyl)(5-6-membered heteroaryl) or - (C 0 -C 3 alkyl)phenyl, wherein R 5 is independently optionally substituted by halogen, C 1 -C 3 alkyl, oxo, -CF 3, -(C 0 -C 3 alkyl)OR 13 or -(C 0 -C 3 alkyl)NR 13 R 14; or two R 5 are taken together to form -O(CH 2) 1-3 O-; R 11 is independently hydrogen, C 1 -C 6 alkyl, C 3 -C 6 cycloalkyl, 3-6 membered heterocyclyl, -C R 13, -C OR 13, -C NR 13 R 14, -NR 13 C R 14, -S 1-2 R 13, - NR 13 S 1-2 R 14 or -S 1-2 NR 13 R 14, wherein said alkyl, cycloalkyl and heterocyclyl are independently optionally substituted by oxo, C 1 -C 3 alkyl, -OR 13, -NR 13 R 14 or halogen; R 12 is independently hydrogen or C 1 -C 3 alkyl, wherein said alkyl is independently optionally substituted by halogen or oxo; or R 11 and R 12 are taken together with the atom to which they are attached to form a 3-6-membered heterocyclyl, optionally substituted by halogen, oxo, -CF 3 or C 1 -C 3 alkyl; R 13 and R 14 are independently hydrogen or C 1 -C 3 alkyl optionally substituted by halogen or oxo; or R 13 and R 14 are taken together with the atom to which they are attached to form a 3-6-membered heterocyclyl, optionally substituted by halogen, oxo, -CF 3 or C 1 -C 3 alkyl. R 1 is hydrogen, C 1 -C 6 alkyl, or halogen; R 2 is pyridinyl, wherein R 2 is optionally substituted by C 1 -C 6 alkyl and said alkyl is optionally substituted by halogen; R 3 is phenyl, or 4-6 membered heterocyclyl such as pyridinyl, wherein R 3 is optionally substituted by 1-5 R 5; R 5 is independently C 1 -C 6 alkyl, C 2 -C 6 alkenyl, C 2 -C 6 alkynyl, oxo, halogen,-(C 0 -C 3 alkyl)CN, -(C 0 -C 3 alkyl)OR 11, -(C 0 -C 3 alkyl)SR 11, -(C 0 -C 3 alkyl)NR 11 R 12, -(C 0 -C 3 alkyl)OCF 3, -(C 0 -C 3 alkyl)CF 3, -(C 0 -C 3 alkyl)NO 2, -(C 0 -C 3 alkyl)C R 11, -(C 0 -C 3 alkyl)C OR 11, -(C 0 -C 3 alkyl)C NR 11 R 12, -(C 0 -C 3 alkyl)NR 11 C R 12, -(C 0 -C 3 alkyl)S 1-2 R 11, -(C 0 -C 3 alkyl)NR 11 1-2 R 12, -(C 0 -C 3 alkyl)S 1-2 NR 11 R 12, -(C 0 -C 3 alkyl)(C 3 -C 6 cycloalkyl), -(C 0 -C 3 alkyl)(3-6-membered heterocyclyl), -(C 0 -C 3 alkyl)C (3-6-membered heterocyclyl), -(C 0 -C 3 alkyl)(5-6-membered heteroaryl) or - (C 0 -C 3 alkyl)phenyl, wherein R 5 is independently optionally substituted by halogen, C 1 -C 3 alkyl, oxo, -CF 3, -(C 0 -C 3 alkyl)OR 13 or -(C 0 -C 3 alkyl)NR 13 R 14; or two R 5 are taken together to form -O(CH 2) 1-3 O-; R 11 is independently hydrogen, C 1 -C 6 alkyl, C 3 -C 6 cycloalkyl, 3-6 membered heterocyclyl, -C R 13, -C OR 13, -C NR 13 R 14, -NR 13 C R 14, -S 1-2 R 13, - NR 13 S 1-2 R 14 or -S 1-2 NR 13 R 14, wherein said alkyl, cycloalkyl and heterocyclyl are independently optionally substituted by oxo, C 1 -C 3 alkyl, -OR 13, -NR 13 R 14 or halogen; R 12 is independently hydrogen or C 1 -C 3 alkyl, wherein said alkyl is independently optionally substituted by halogen or oxo; or R 11 and R 12 are taken together with the atom to which they are attached to form a 3-6-membered heterocyclyl, optionally substituted by halogen, oxo, -CF 3 or C 1 -C 3 alkyl; R 13 and R 14 are independently hydrogen or C 1 -C 3 alkyl optionally substituted by halogen or oxo; or R 13 and R 14 are taken together with the atom to which they are attached to form a 3-6-membered heterocyclyl, optionally substituted by halogen, oxo, -CF 3 or C 1 -C 3 alkyl.