2-Amino-3-ethoxycarbonylthieno(2,3-b)quinuclidine 2-Amino-5,6-dihydro-4H-4,7-ethanothieno(2,3-b)pyridine-3-carboxylic acid ethyl ester 36860-49-8 4H-4,7-Ethanothieno(2,3-b)pyridine-3-carboxylic acid, 5,6-dihydro-2-amino-, ethyl ester BRN 0992879