2-Methyldipyrido(1,2-a:3',2'-d)imidazole

2-methoxy-1,1,3,3-tetramethylisoindoline

1-(1,1,3,3-tetramethylisoindol-2-yl)oxypropan-2-one

2-(2-t-butoxy-1,1-difluoroethoxy)-1,1,3,3-tetramethylisoindoline

1,1-bis(1,1,3,3-tetramethoylisoindolin-2-yloxy)propan-2-one