What is the strongest anthistetic you have made

Question: What is the strongest anthistetic you have made
- Keywords:
  anaesthetic,
  create
Asked by Luke LEPRECHAUN to Kevin on 8 Mar 2019.
- Kevin OBrien answered on 8 Mar 2019:
  
  I’m not involved in making anaesthetics, and luckily haven’t had a need to use them recently.
  I only design the electronics for the pumps which deliver them.

Question: What is the strongest anthistetic you have made