73909-73-6 BW-A444U Bwa 444 U Bwa 444U Isoquinolinium, 2,2'-(1,4-phenylenebis((1-oxo-2-propene-3,1-diyl)oxy-3,1-propanediyl))bis(1,2,3,4-tetrahydro-6,7-dimethoxy-2-methyl-1-((3,4,5-trimethoxyphenyl)methyl)-, dichloride