539-08-2 Fenolactine Lactophenin Lactyl-p-phenetidin Lactylphenetidine N-Lactyl-p-phenetidine NSC72105 Phenolactine Propanamide, N-(4-ethoxyphenyl)-2-hydroxy- p-Lactophenetide p-Lactophenetidide p-Lactylphenetidine