Berbinium, 7,7'-(((2-methylthiazolidin-3-yl)phosphinylidene)bis(iminomethylene))bis(9,10-dimethoxy-2,3-(methylenedioxy)-5,6,13,13a-tetradehydro- DR9859000 N',N''-Di-(N-berberinylethylamide) of 2'-methylthiazolidin-3-yl-phosphoric acid