AIDS-164179 AIDS164179 Benzenepropanoic acid, a-[[(2E)-3-[2-[(E)-2-(3,4-dihydroxyphenyl)ethenyl]-3,4-dihydroxyphenyl]-1-oxo-2-propenyl]oxy]-3,4-dihydroxy- (Dimer) DIMER OF SALVIANOLIC ACID