The present invention provides compounds of Formula below: and analogues thereof where the various substituent groups, R1, R2, R3, R4, R5 A, and X are described herein; or a pharmaceutical salt thereof; a method of treating a condition such as hypertriglyceridemia and a process for preparing the compounds.本發明提供下式之化合物:及其類似物,其中各種取代基R1、R2、R3、R4、R5、A及X如本文說明;或其醫藥鹽;一種治療疾病(如高三酸甘油酯血症)之方法;及製備該化合物之製程。