sulfonatooxymethane

1-[(3,4-dimethoxyphenyl)methyl]-2-[10-[1-[(3,4-dimethoxyphenyl)methyl]-6,7-dimethoxy-2-methyl-3,4-dihydro-1H-isoquinolin-2-yl]decyl]-6,7-dimethoxy-2-methyl-3,4-dihydro-1H-isoquinoline