33439-27-9
4-哌啶酮,1-[(4-甲基苯基)磺酰基]-
→
~98%
171009-41-9
3-溴-1-甲苯磺酰哌啶-4-酮
98-59-9
对甲苯磺酰氯
41979-39-9
4-氧代哌啶酮盐酸盐