25,26-dimethoxy-4,9,23-trimethyl-13,16,19,27-tetraoxatetracyclo<19.3.1.1.1>heptacosa-1(25),2,5,7,9,11(26),21,23-octaene 生成 25,26-dimethoxy-4,9,23-trimethyl-13,16,19-trioxa-27-oxoniatetracyclo[19.3.1.12,6.17,11]heptacosa-1(24),2(27),3,5,7,9,11(26),21(25),22-nonaene;perchlorate