12-Hydroxy-N-methylpseudostrychnine 19764-19-3 4,16-Dihydroxy-19-methyl-10-oxostrychnidinium 4-Hydroxy-19-methyl-16,19-secostrychnidine-10,16-dione Strychnidinium, 4,16-dihydroxy-19-methyl-10-oxo- (9CI) Vomicine