1-Amino-2-aryl-4-(piperidin-1-yl)butane deriv. AIDS-092701 AIDS092701 N-[(2S)-2-(3,4-Dichlorophenyl)-4-(1-oxospiro[2,3-dihydrobenzo[b]thiophene-3,4'-piperidine]-10-yl)butyl]-N-methylbenzamide