19805-75-5
2,2,5,5-四甲基-3-吡咯啉-3-氨甲酰胺
→
~97%
702-96-5
2,2,5,5-四甲基-3-吡咯烷羧酰胺
826-36-8
四甲基哌啶酮
~69%
57167-75-6
3,5-dibromo-2,2,6,6-tetramethyl-piperidin-4-one