Eight new organotin (IV) complexes with 2, 4, 5-trifluoro-3-methoxybenzoic acid RnSn (O2CC6HF3OCH3) 4− n (n= 3: R= Ph (1), PhCH2 (2), Me (3), n-Bu (4); n= 2: R= Ph (5), PhCH2 (6), Me (7), n-Bu (8)) have been synthesized. All complexes were characterized by