The present invention relates to thiazolidinedione analogues that are usefulfor treating hypertension, diabetes, andinflammatory diseases. Formula (I), wherein: each of R1 and R4 isindependently selected from H, halo, aliphatic, and alkoxy,wherein the aliphatic and alkoxy are optionally substituted with 1-3 of halo;R2 is halo, hydroxy, or optionally substituted aliphatic,and R'2 is H, or R2 and R'2 together form oxo; R3 is H; and Ring A is aphenyl.