PICOLINYL HYDRAZIDE吡啶甲酰肼;甲基吡啶酰肼
2-PICOLINYL HYDRAZIDE吡啶甲酰肼;甲基吡啶酰肼
2-PICOLINYL HYDRAZIDECAS吡啶甲酰肼
2-PICOLINYL HYDRAZIDE 98甲基吡啶酰肼