Berbinium, 7,7'-((1-aziridinyl)thiophosphinylidene)bis(iminomethylene)bis(9,10-dimethoxy-2,3-(methylenedioxy)-5,6,13,13a-tetradehydro- DR9847000 Di-N',N''-di-(2-(N-berberinyl)ethylamide) of aziridinylthiophosphoric acid