1-Oxa-4,7-diazacyclohexadecane-2,5,8-trione,14-hydroxy-3-[(4-hydroxy-3-iodophenyl)methyl]-4,9,11,13-tetramethyl-16-(1-methylethyl)-,[3R-(3R*,9S*,11S*,13R*,14S*,16S*)]-