Multiple stereoisomers of the heterocyclic-substituted tricyclics of the formula: or a pharmaceutically acceptable salt, solvate, or ester of said compound wherein R and the stereochemistry are illustrated in the structural formulas herein are disclosed, as well as pharmaceutical compositions containing them and a method of treating diseases associated with thrombosis, atherosclerosis, restenosis, hypertension, angina pectoris, arrhythmia, heart failure, and cancer by administering said compounds. Combination therapy with other cardiovascular agents is also claimed.