(7Z,9E,11R,12R,13R,14R,15R,16R,17S,18R,19R,20Z)-2-乙酰氧基-12,14,16,18,19,31-六羟基-3,7,11,13,17,19,21,27-八甲基-6,28-二氧代-23,25-二氧杂-5-氮杂四环[20.7.1.14,29.026,30]三十一碳-1,3,7,9,20,22(30),26,29(31)-八烯-15-羧甲基酯
23344-17-4