《太平广记·卷三百九十三·雷一》
拿来大锅用油煎炸也不死，最后放在铁水里才焦糊。欧阳绍把它捣成粉末，全部喝了进去。
仍杵为粉。而服之至尽。
It was not killed even if fried in oil in a big pot, finally it was charred in the iron water. Ouyang Shao pounded it into powder, and drank it all.