847039-26-3
1,1-dimethylethyl 4-({4-[(trifluoromethyl)oxy]phenyl}sulfonyl)-1-piperazinecarboxylate
→
~86%
756859-05-9
1-[[4-(三氟甲氧基)苯基]磺酰基]哌嗪
94108-56-2
4-(三氟甲氧基)苯磺酰氯