5-(3-Fluorophenyl)-3-ureidothiophene-2-carboxylic acid N-[(S)-piperidin-3-yl]amide860352-01-8100 % similar Troxipide30751-05-435 % similar Tpca-1507475-17-434 % similar 3-Cbz-aminopiperidine hcl31648-54-133 % similar N-4-Piperidylbenzamide33953-37-631 % similar