5,11,17,23,29,35-六(氯甲基)-37,38,39,40,41,42-六甲氧基-七环[31.3.1.13,7.19,13.115,19.121,25.127,31]四十二碳-1(37),3,5,7(42),9,11,13(41),15,17,19(40),21,23,25(39),27,29,31(38),33,35-十八烯