3-methyl-4-phenyl-4-chloro-2-pyrazolin-5-one

丙硫醇

荧光专用试剂

4,4-二溴-3-甲基-2-吡唑啉-5-酮

1,2-dimethylene-4,4'-bis(3-methyl-4-chloro-2-pyrazolin-5-one)