26096
It has been shown that the pretreatment with nordihydroguaiaretic acid ( NDGA ) , a lignan with direct and indirect antioxidant properties , protects against the ischemia - reperfusion ( I / R ) - induced renal oxidant damage .
 Chemical: nordihydroguaiaretic acid; Chemical: NDGA
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: nordihydroguaiaretic acid; Chemical: NDGA