1,6,7-trimethyl-3,3-diphenylimidazo[1,2-b]pyrazol-2-one

[3-methyl-1-(methylcarbamoyloxymethyl)-5,6-dihydropyrrolo[2,1-a]isoquinolin-2-yl]methyl N-methylcarbamate

[4-[2-(methylcarbamoylamino)ethyl]phenyl] N-methylcarbamate

[2-methyl-4-(methylcarbamoyloxymethyl)-5-phenylfuran-3-yl]methyl N-methylcarbamate

[5-(3,4-dichlorophenyl)-2-methyl-4-(methylcarbamoyloxymethyl)furan-3-yl]methyl N-methylcarbamate