2-(R)-{4-[5-(4-fluorophenyl)pyrimidin-2-yl]piperazine-1-sulfonylmethyl}-N-hydroxy-3-methylbutyramide 、 2-(R)-{4-[5-(3,4-Dichlorophenyl)pyrimidin-2-yl]piperazine-1-sulfonylmethyl}-3-methylbutyric acid 以to yield the title compound as a white solid (0.080 g, 29%)的产率得到2-(R)-{4-[5-(3,4-dichlorophenyl)pyrimidin-2-yl]piperazine-1-sulfonylmethyl}-N-hydroxy-3-methylbutyramide