18166
Three new lanostanoid triterpenes , 3 beta , 7 beta , 15 beta - trihydroxy - 11 , 23 - dioxo - lanost - 8 , 16 - dien - 26 - oic acid ( 1 ) , 3 beta , 7 beta , 15 beta - trihydroxy - 11 , 23 - dioxo - lanost - 8 , 16 - dien - 26 - oic acid methyl ester ( 2 ) , and 3 beta , 15 beta - dihydroxy - 7 , 11 , 23 - trioxo - lanost - 8 , 16 - dien - 26 - oic acid methyl ester ( 3 ) were isolated from the EtOAc extract of the fruiting bodies of Ganoderma tropicum .
 Chemical: lanostanoid triterpenes; Chemical: 3 beta , 7 beta , 15 beta - trihydroxy - 11 , 23 - dioxo - lanost - 8 , 16 - dien - 26 - oic acid; Chemical: 3 beta , 7 beta , 15 beta - trihydroxy - 11 , 23 - dioxo - lanost - 8 , 16 - dien - 26 - oic acid methyl ester; Chemical: 3 beta , 15 beta - dihydroxy - 7 , 11 , 23 - trioxo - lanost - 8 , 16 - dien - 26 - oic acid methyl ester; Chemical: EtOAc
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
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Answer:
 Chemical: lanostanoid triterpenes; Chemical: 3 beta , 7 beta , 15 beta - trihydroxy - 11 , 23 - dioxo - lanost - 8 , 16 - dien - 26 - oic acid; Chemical: 3 beta , 7 beta , 15 beta - trihydroxy - 11 , 23 - dioxo - lanost - 8 , 16 - dien - 26 - oic acid methyl ester; Chemical: 3 beta , 15 beta - dihydroxy - 7 , 11 , 23 - trioxo - lanost - 8 , 16 - dien - 26 - oic acid methyl ester; Chemical: EtOAc