The present invention provides a compound of the Formula (I) below: Wherein R1 is selected from the group consisting of H, CH3, CN, CH2CN, C(CH3)2CN, and F R2 is selected from the group consisting of H, O(C1-C3alkyl)R5, CH2CN, and CN R3 is selected from the group consisting of H, OCH3, CN, C(CH3)2CN, and CH2CN R4 is selected from the group consisting of H and CH3 R5 is selected from the group consisting of H, CN, C(CH3)2CN, OCH3, S(O)2CH3, and C(CH3)2OH provided that at least one selected from the group consisting of R1, R2, R3 and R4 is H or a pharmaceutically acceptable salt thereof, methods of treating diabetes using the compound and a process for preparing the compound.