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3-(3-nitrophenyl)piperazin-2-one
(3S)-3-(3-nitrophenyl)piperazin-2-one
(3R)-3-(3-nitrophenyl)piperazin-2-one
3-(4-nitrophenyl)piperazin-2-one
(3S)-3-(4-nitrophenyl)piperazin-2-one
(3R)-3-(4-nitrophenyl)piperazin-2-one
3-(2,3-difluorophenyl)piperazin-2-one
(3S)-3-(2,3-difluorophenyl)piperazin-2-one
(3R)-3-(2,3-difluorophenyl)piperazin-2-one
3-(2,4-difluorophenyl)piperazin-2-one
(3S)-3-(2,4-difluorophenyl)piperazin-2-one
(3R)-3-(2,4-difluorophenyl)piperazin-2-one
3-(2,5-difluorophenyl)piperazin-2-one
(3S)-3-(2,5-difluorophenyl)piperazin-2-one
(3R)-3-(2,5-difluorophenyl)piperazin-2-one
3-(2,6-difluorophenyl)piperazin-2-one
(3S)-3-(2,6-difluorophenyl)piperazin-2-one
(3R)-3-(2,6-difluorophenyl)piperazin-2-one
3-(3,4-difluorophenyl)piperazin-2-one
(3S)-3-(3,4-difluorophenyl)piperazin-2-one
(3R)-3-(3,4-difluorophenyl)piperazin-2-one
3-(3,5-difluorophenyl)piperazin-2-one
(3S)-3-(3,5-difluorophenyl)piperazin-2-one
(3R)-3-(3,5-difluorophenyl)piperazin-2-one
3-(2,3-dichlorophenyl)piperazin-2-one
(3S)-3-(2,3-dichlorophenyl)piperazin-2-one
(3R)-3-(2,3-dichlorophenyl)piperazin-2-one
3-(2,4-dichlorophenyl)piperazin-2-one
(3S)-3-(2,4-dichlorophenyl)piperazin-2-one
(3R)-3-(2,4-dichlorophenyl)piperazin-2-one
3-(2,6-dichlorophenyl)piperazin-2-one
(3S)-3-(2,6-dichlorophenyl)piperazin-2-one
(3R)-3-(2,6-dichlorophenyl)piperazin-2-one
3-(3,4-dichlorophenyl)piperazin-2-one
(3S)-3-(3,4-dichlorophenyl)piperazin-2-one
(3R)-3-(3,4-dichlorophenyl)piperazin-2-one
3-(2,3-dimethoxyphenyl)piperazin-2-one
(3S)-3-(2,3-dimethoxyphenyl)piperazin-2-one
(3R)-3-(2,3-dimethoxyphenyl)piperazin-2-one
3-(2,4-dimethoxyphenyl)piperazin-2-one
(3S)-3-(2,4-dimethoxyphenyl)piperazin-2-one
(3R)-3-(2,4-dimethoxyphenyl)piperazin-2-one
3-(2,5-dimethoxyphenyl)piperazin-2-one
(3S)-3-(2,5-dimethoxyphenyl)piperazin-2-one
(3R)-3-(2,5-dimethoxyphenyl)piperazin-2-one
3-(3,4-dimethoxyphenyl)piperazin-2-one
(3S)-3-(3,4-dimethoxyphenyl)piperazin-2-one
(3R)-3-(3,4-dimethoxyphenyl)piperazin-2-one
3-(3,5-dimethoxyphenyl)piperazin-2-one
(3S)-3-(3,5-dimethoxyphenyl)piperazin-2-one