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Aminopropylindenes derived from Grundmann ' s ketone as a novel chemotype of oxidosqualene cyclase inhibitors .
 Aminopropylindenes, Grundmann ' s ketone
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 Aminopropylindenes, Grundmann ' s ketone