26881
Two new sesqui - neolignans with novel conjugation way , simonol A ( 1 ) , featuring a unique motif of a 5 , 5 - dihydro - pyran with a hemiketal carbon , while simonol B ( 2 ) possessing two dihydronfuran rings in the same direction , were isolated from the ethanol extract of the fruits of Illicium simonii .
 Chemical: sesqui - neolignans; Chemical: simonol A; Chemical: 5 , 5 - dihydro - pyran; Chemical: hemiketal carbon; Chemical: simonol B; Chemical: dihydronfuran; Chemical: ethanol
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: sesqui - neolignans; Chemical: simonol A; Chemical: 5 , 5 - dihydro - pyran; Chemical: hemiketal carbon; Chemical: simonol B; Chemical: dihydronfuran; Chemical: ethanol