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Here we provide a systematic review of the existing literature and present a detailed pathway diagram that describes the cholesterol biosynthesis pathway ( the mevalonate , the Kandutch - Russell and the Bloch pathway ) and shunt pathway that leads to 24 ( S ) , 25 - epoxycholesterol synthesis .
 Chemical: cholesterol; Chemical: mevalonate; Chemical: 24 ( S ) , 25 - epoxycholesterol
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: cholesterol; Chemical: mevalonate; Chemical: 24 ( S ) , 25 - epoxycholesterol