15,19-Epoxy-1H,3H-pyrrolo(2,1-c)(1,4)oxaazacyclotricosine-1,7,20,21(4H)-tetrone, 5,6,8,11,12,13,14,15,16,17,18,19,23,24,25,25a-hexadecahydro-5,19-dihydroxy-3-(2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl)-14,16-dimethoxy-4,10,12,18-tetramethyl-8-