... 22-tetramethyl-2-oxo-3,7,19-trioxatetracyclo[15.6.1.14,8.020,24]pentacosa-10,14, ... 10E,14E,16E,22Z)-(1R,4S,5'S,6S,6'R,8R,12S,13S,20R,21R,24S)-21,24 ... 22-tetramethyl-2-oxo-3,7,19-trioxatetracyclo[15.6.1.14,8.020,24]pentacosa-10,14, ... C47H70O14/c1-11-25(2)43-28(5)17-18-47(62-43)23-34-20-33(61-47 ... 11-13-31-23-54-44-39(48)28(6)18-34(45(50)57-33)47(31,44)51 ... 11,16,20-24H2,1-10H3;11-14,16-18,24-25,27,29-30,32-44,48- ...