[EN300-7492019-5g] tert-butyl 3'-oxo-8-azaspiro[bicyclo[3.2.1]octane-3,1'-cyclobutane]-8-carboxylate + 5,837,700원
[EN300-7492019-2.5g] tert-butyl 3'-oxo-8-azaspiro[bicyclo[3.2.1]octane-3,1'-cyclobutane]-8-carboxylate + 3,964,600원
[EN300-7492019-10g] tert-butyl 3'-oxo-8-azaspiro[bicyclo[3.2.1]octane-3,1'-cyclobutane]-8-carboxylate + 8,623,500원
[EN300-7492019-1g] tert-butyl 3'-oxo-8-azaspiro[bicyclo[3.2.1]octane-3,1'-cyclobutane]-8-carboxylate + 2,056,700원
[EN300-7492019-0.5g] tert-butyl 3'-oxo-8-azaspiro[bicyclo[3.2.1]octane-3,1'-cyclobutane]-8-carboxylate + 1,619,000원
[EN300-7492019-0.25g] tert-butyl 3'-oxo-8-azaspiro[bicyclo[3.2.1]octane-3,1'-cyclobutane]-8-carboxylate + 1,050,500원
[EN300-7492019-0.1g] tert-butyl 3'-oxo-8-azaspiro[bicyclo[3.2.1]octane-3,1'-cyclobutane]-8-carboxylate + 756,500원
[EN300-7492019-0.05g] tert-butyl 3'-oxo-8-azaspiro[bicyclo[3.2.1]octane-3,1'-cyclobutane]-8-carboxylate + 527,800원