(2011/04/24)
tert-butyl {(2R,3S)-2-(2,5-difiuorophenyl)-5-[2-(methylsulfonyl)-2,6-dihydropyrrolo[3,4-c]pyrazol-5(4H)-yl]-6-oxopiperidin-3-yl}carbamate
tert-butyl [(2R,3S)-2-(2,5-difluorophenyl)-5-iodo-6-oxopiperidin-3-yl]carbamate
tert-butyl [(2R,3S)-2-(2,5-difluorophenyl)-6-oxopiperidin-3-yl]carbamate
(5S,6R)-6-(2,5-difluorophenyl)-5-nitropiperidin-2-one
2-(methylsulfonyl)-2,4,5,6-tetrahydropyrrolo[3,4-c]pyrazol-5-ium benzenesulfonate