英文名称
(1'R,2S,3S,4'R,6S,8'S,10'Z,12'S,13'S,14'Z,20'R,21'S,24'S)-2-ethyl-21',24'-dihydroxy-12'-[(2S,4S,5R,6S)-5-[(2R,4S,5R,6S)-5-hydroxy-4-methoxy-6-methyloxan-2-yl]oxy-4-methoxy-6-methyloxan-2-yl]oxy-3,11',13',22'-tetramethylspiro[2,3-dihydropyran-6,6'-3,7,19-trioxatetracyclo[15.6.1.14,8.020,24]pentacosa-10,14,16,22-tetraene]-2'-one