(13a
R)-9,10,14-trimethoxy-7ξ-methyl-13
c-(toluene-4-sulfonyloxy)-(13a
r)-5,8,13,13a-tetrahydro-6
H-[1,3]dioxolo[4,5-
g]isoquino[3,2-
a]isoquinolinium; chloride 在
乙酸酐 、 sodium iodide 作用下,
生成
9,10-dimethoxy-13-methyl-5,8-dihydro-6H-benzo[g][1,3]dioxolo[4',5':7,8]chromeno[3,4,5-ija]quinolizinylium; iodide