14-甲基-20-氧杂-5,7,14,27-四氮杂四环[19.3.1.1(2,6).1(8,12)]二十七碳-1(25),2,4,6(27),8,10,12(26),16,21,23-十烯

14-甲基-20-氧杂-5,7,14,27-四氮杂四环[19.3.1.1(2,6).1(8,12)]二十七碳-1(25),2,4,6(27),8,10,12(26),16,21,23-十烯 ≥99%