CDDO-3P-Im is an analogue of CDDO-Imidazolide with chemopreventive effect. CDDO-3P-Im can reduce the size and the severity of the lung tumors in mouse lung cancer model[1]. CDDO-3P-Im is a orally active necroptosis inhibitor that can be used for the research of ischemia/reperfusion (I/R) [2].