113979-31-0 2,2'-Dimethyltetrandrinium diiodide 22445-73-4 Berbamanium, 6,6',7,12-tetramethoxy-2,2,2',2'-tetramethyl-, diiodide, (1-beta)- (9CI) N,N(sup 1)-Dimethylphaeanthine diiodide Sinomenine A bis(methyl iodide) Sinomenine A dimethiodide Tetrandrine dimethiodide Tetrandrinium, 2,2'-dimethyl-, diiodide