(2013/05/22)
ethyl 4-cyclobutyl-3-oxobutanoate
cyclobutanemethanol
cyclobutylmethyl methanesulfonate
cyclobutyl acetonitrile
4-cyclobutyl-1-ethoxy-1,3-dioxobutan-2-yl 4-methoxybenzoate
tert-butyl 4-amino-1-cyclobutyl-3-hydroxy-4-oxobutan-2-ylcarbamate
3-amino-4-cyclobutyl-2-hydroxybutanamide hydrochloride
(1R,2S,5S)-N-(4-amino-1-cyclobutyl-3-hydroxy-4-oxobutan-2-yl)-3-((S)-2-(3-(tert-butyl)ureido)-3,3-dimethylbutanoyl)-6,6-dimethyl-3-azabicylo[3.1.0]-hexane-2-carboxamide
boceprevir
3-[(tert-butoxycarbonyl)amino]-4-cyclobutyl-1-ethoxy-1-oxobut-2-yl 4-methoxybenzoate