4-苯甲基哌啶盐酸盐 、 3,4-二氟硝基苯 以4-Benzhydryl-1-(2-fluoro-4-nitro-phenyl)-piperidine (2.9 g, 82.2% yield) was obtained as a yello-orange powder的产率得到4-benzhydryl-1-(2-fluoro-4-nitro-phenyl)-piperidine
The invention relates to compound of the formula (I): wherein the substituents are as defined in the specification; in free base form or in acid addition salt form; to its preparation, to its use as medicament and to medicaments comprising it.