6-(((9H-Fluoren-9-yl)methoxy)carbonyl)-2-oxo-1,2,5,6,7,8-hexahydro-1,6-naphthyridine-4-carboxylic acid 50mg

6-(((9H-Fluoren-9-yl)methoxy)carbonyl)-2-oxo-1,2,5,6,7,8-hexahydro-1,6-naphthyridine-4-carboxylic acid 50mg