abstract |
THE SUBJECT OF THE PRESENT INVENTION, AS NEW INDUSTRIAL PRODUCTS, THE COMPOUNDS OF GENERAL FORMULA I: (CF DRAWED IN BOPI) IT IS CHARACTERIZED IN THAT, IN THIS FORMULA: R, R AND R, IDENTICAL OR DIFFERENT, CONSIST OF A HYDROGEN OR HALOGEN ATOM, A RADICAL ALKYL OR ALCOXYL; R IS H OR CH; A IS -CH-; -CH-; N IS 0 OR |