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Two new C - 15 enolic acyl phragmalin - type limonoid orthoesters , chukvelutilide G ( 1 ) and chukrasine F ( 2 ) , were isolated from the stem barks of Chukrasia tabularis var . velutina .
 Chemical: enolic acyl phragmalin; Chemical: limonoid orthoesters; Chemical: chukvelutilide G; Chemical: chukrasine F
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: enolic acyl phragmalin; Chemical: limonoid orthoesters; Chemical: chukvelutilide G; Chemical: chukrasine F