(1-beta)-6,6',7',12'-Tetramethoxy-2,2,2',2'-tetramethyltubocuraranium diiodide 16240-52-1 Dimethyl l-curine dimethiodide N,N',O,O'-Tetramethylcurinium diiodide (7CI) O,O-Dimethylcurine dimethiodide Tubocuraranium, 6,6',7',12'-tetramethoxy-2,2,2',2'-tetramethyl-, diiodide, (1-beta)-