1-(tert-Butoxycarbonyl)-4'-(hydroxymethyl)-3'-oxaspiro[azetidine-3,2'-bicyclo[2.1.1]hexane]-1'-carboxylic acid 50mg

1-(tert-Butoxycarbonyl)-4'-(hydroxymethyl)-3'-oxaspiro[azetidine-3,2'-bicyclo[2.1.1]hexane]-1'-carboxylic acid 50mg