[3-[2-(methyl-prop-2-ynylamino)propyl]phenyl] N-hexyl-N-methylcarbamate [3-[2-(methyl-prop-2-ynyl-amino)propyl]phenyl] N-hexyl-N-methyl-carbamate N-hexyl-N-methylcarbamic acid [3-[2-(methyl-prop-2-ynylamino)propyl]phenyl] ester N-hexyl-N-methyl-carbamic acid [3-[2-(methyl-propargyl-amino)propyl]phenyl] ester