1 4HI (3r,5r)-7-[4-(benzylcarbamoyl)-2-(4-fluorophenyl)-5-(1-methylethyl)-1h-imidazol-1-yl]-3,5-dihydroxyheptanoic acid 1.000 2 5HI (3r,5r)-7-[2-(4-fluorophenyl)-4-{[(1s)-2-hydroxy-1-phenylethyl]carbamoyl}-5-(1-methylethyl)-1h-imidazol-1-yl]-3,5-dihydroxyheptanoic acid 0.947