tert-butyl (2S,4R)-2-(azidomethyl)-4-[(5-cyclopropylpyrazin-2-yl)oxy]-pyrrolidine-1-carboxylate

(7R,8aS)-7-[(5-cyclopropylpyrazin-2-yl)oxy]-2-{[3-(trifluoromethyl)phenyl]-sulfonyl}hexahydropyrrolo[1,2-a]pyrazin-4(1H)-one

tert-butyl (2S,4R)-4-[(5-cyclopropylpyrazin-2-yl)oxy]-2-{[(2-methoxy-2-oxoethyl){[3-(trifluoromethyl)phenyl]sulfonyl}amino]methyl}pyrrolidine-1-carboxylate

(7R,8aS)-7-[(5-cyclopropylpyrazin-2-yl)oxy]-2-{[4-(trifluoromethyl)-phenyl]sulfonyl}hexahydropyrrolo[1,2-a]pyrazin-4(1H)-one