N-(3-piperidnopropyl)-6-methoxy-4-methyl-furo<3,2-b>indole-2-carboxamide

4-Ethyl-6-methoxy-4H-furo[3,2-b]indole-2-carboxylic acid (3-piperidin-1-yl-propyl)-amide

4-Isopropyl-6-methoxy-4H-furo[3,2-b]indole-2-carboxylic acid (3-piperidin-1-yl-propyl)-amide

6-Methoxy-2-(3-piperidin-1-yl-propylcarbamoyl)-furo[3,2-b]indole-4-carboxylic acid methyl ester

6-Methoxy-2-(3-piperidin-1-yl-propylcarbamoyl)-furo[3,2-b]indole-4-carboxylic acid ethyl ester