trans-3-Butyl-2-(2-propenyl)cyclopentanone

(2S,3S)-3-butyl-2-prop-2-enylcyclopentan-1-one

N-丁基-N-甲基甲酰胺

2-[5,6-dibutyl-1-methyl-3,4-bis(sulfanyl)pyridin-1-ium-2-yl]ethenone,iodide

1-butyl-9H-carbazole