1-Ethoxycarbonyl-4-(4-chloro-3-trifluoro methyl phenyl)-4-priperidinol

Ethyl 4-(4-chloro-,,,trifluoro-m-tolyl)-4-hydroxy-1-piperidinecarbxylat

Ethyl4-(4-chloro-a,a,a-trifluoro-m-tolylo)-4-hxdroxy-1-piperidinecarbxylate