20125
Furthermore , pretreatment of PPC - 1 cells with a ROS scavenger prevented ubiquitination and loss of c - FLIPL protein induced by menadione or paraquat .
 Chemical: menadione; Chemical: paraquat
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: menadione; Chemical: paraquat