2-((tert-butyldimethylsilyl)oxy)-1-(3-ethyl-6-methoxy-5-methyl-4-oxo-4H-pyran-2-yl)ethyl methanesulfonate

3-chloro-2-methyl-crotonic acid

2-ethylmercapto-5,6-dimethyl-3H-pyrimidin-4-one

2-(1-amino-2-((tert-butyldimethylsilyl)oxy)ethyl)-3-ethyl-6-methoxy-5-methyl-4H-pyran-4-one

2-(4-ethoxy-phenylhydrazono)-propionic acid ethyl ester