The present invention provides a basic amino acid derivative represented by the formula : The present invention also provides a method of making a gelled product by employing the aforementioned compound, as well as a gel, perfumery, andor cosmetic containing the same. The lubricant pinion has an external tooth system onto which at least one lubricant outlet discharges. Each transition of the radiofrequency transposition signal occurs between two consecutive pulses of said control signal.