9,10-dimethoxy-2-(2,4,6-trimethyl-N-propan-2-ylanilino)-6,7-dihydropyrimido[6,1-a]isoquinolin-4-one

9,10-dimethoxy-3-propan-2-yl-2-(2,4,6-trimethylphenyl)imino-6,7-dihydropyrimido[6,1-a]isoquinolin-4-one

2-methyl-1-propan-2-ylimidazole

1-methyl-1-propan-2-ylpiperidin-1-ium,iodide

4-methyl-1,3-diphenylpentan-1-one