(9E,26E)-2,15,17,29-四羟基-11-甲氧基-3,7,12,14,16,18,22-七甲基-26-{[(3-辛烷基氧基)氨基]亚甲基}-6,23,27-三氧代-8,30-二氧杂-24-氮杂四环[23.3.1.14,7.05,28]三十碳-1(28),2,4,9,19,21,25(29)-庚烯-13-基乙酸酯