Cat. Name CAS. Structure Purity
M134491 (S)-tert-butyl 2-((tert-butyldiphenylsilyloxy)Meth 138871-58-6 (S)-tert-butyl 2-((tert-butyldiphenylsilyloxy)Methyl)-5-oxo-2,5-dihydro-1H-pyrrole-1-carboxylate ≥ 95%