英文别名PENTENYL CYCLOPENTANONE; 2-(3-methyl-2-butenyl)-cyclopentanon; 2-(3-Methyl-2-butenyl)cyclopentanone; Cyclopentanone, 2-(3-methyl-2-butenyl)-; 2-Prenylcyclopentanone; 2-(3-methylbut-2-enyl)cyclopentanone; Cyclopentanone, 2-(3-methyl-2-buten-1-yl)- 
