1-(5-Bromo-2-(trifluoromethyl)pyridin-4-yl)ethanone

(2S,3R)-2-({3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-2,2-difluorocyclopropyl}formamido)-3-methoxybutanoic acid

4-[(Prop-2-en-1-yloxy)carbonyl]-4-azaspiro[2.5]octane-7-carboxylic acid

1-{1-[(Prop-2-en-1-yloxy)carbonyl]pyrrolidin-2-yl}cyclopropane-1-carboxylic acid

(4E)-1-[(prop-2-en-1-yloxy)carbonyl]-1,2,3,6,7,8-hexahydroazocine-5-carboxylic acid

2,2-Dicyclopropyl-2-{[(prop-2-en-1-yloxy)carbonyl]amino}acetic acid

rac-(1R,2S,5S)-3-[(prop-2-en-1-yloxy)carbonyl]-3-azabicyclo[3.2.1]octane-2-carboxylic acid

6-[(Prop-2-en-1-yloxy)carbonyl]-6-azaspiro[3.4]octane-7-carboxylic acid

5-{[(Prop-2-en-1-yloxy)carbonyl]amino}bicyclo[2.2.1]heptane-2-carboxylic acid

(2S,3R)-2-{[(1RS,3SR)-3-[({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)methyl]-2,2-difluorocyclopropyl]formamido}-3-methoxybutanoic acid

3-(Prop-2-en-1-yl)-1-[(prop-2-en-1-yloxy)carbonyl]pyrrolidine-3-carboxylic acid