[3-[2-(prop-2-ynylamino)propyl]phenyl] N-ethyl-N-methylcarbamate [3-[2-(prop-2-ynylamino)propyl]phenyl] N-ethyl-N-methyl-carbamate N-ethyl-N-methylcarbamic acid [3-[2-(prop-2-ynylamino)propyl]phenyl] ester N-ethyl-N-methyl-carbamic acid [3-[2-(propargylamino)propyl]phenyl] ester