[EN300-7391536-0.05g] tert-butyl 2-oxo-5-azaspiro[3.4]octane-5-carboxylate 526,000원
[EN300-7391536-0.1g] tert-butyl 2-oxo-5-azaspiro[3.4]octane-5-carboxylate 725,909원
[EN300-7391536-0.25g] tert-butyl 2-oxo-5-azaspiro[3.4]octane-5-carboxylate 987,182원
[EN300-7391536-0.5g] tert-butyl 2-oxo-5-azaspiro[3.4]octane-5-carboxylate 1,488,182원
[EN300-7391536-1g] tert-butyl 2-oxo-5-azaspiro[3.4]octane-5-carboxylate 1,870,273원
[EN300-7391536-2.5g] tert-butyl 2-oxo-5-azaspiro[3.4]octane-5-carboxylate 3,555,364원
[EN300-7391536-5g] tert-butyl 2-oxo-5-azaspiro[3.4]octane-5-carboxylate 5,200,727원
[EN300-7391536-10g] tert-butyl 2-oxo-5-azaspiro[3.4]octane-5-carboxylate 7,657,909원