tert-Butyl 3-oxo-1-oxa-8-azaspiro[4.5]decane-8-carboxylate ≥97%
T196058-250mg / 250mg
CAS:954236-44-3
(2R,3S)-3-(tert-Butoxycarbonyl)amino-1,2-epoxy-4-phenylbutane ≥98%
T196150-100g / 100g
CAS:98760-08-8