4-(((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)methyl)tetrahydro-3-oxaspiro[bicyclo[2.1.1]hexane-2,4'-pyran]-1-carboxylic acid 50mg

4-(((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)methyl)tetrahydro-3-oxaspiro[bicyclo[2.1.1]hexane-2,4'-pyran]-1-carboxylic acid 50mg