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It has been observed that the administration of hydroxypropyl - beta - cyclodextrin ( HPBCD ) delays onset of clinical symptoms and reduces accumulation of cholesterol and gangliosides within neuronal cells .
 Chemical: hydroxypropyl - beta - cyclodextrin; Chemical: HPBCD; Chemical: cholesterol; Chemical: gangliosides
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: hydroxypropyl - beta - cyclodextrin; Chemical: HPBCD; Chemical: cholesterol; Chemical: gangliosides