5-(4-hydroxybutyl)-2-furanmethanol

1,7-dioxaspiro[5.5]undec-4-en-3-one

4-(5-formylfuran-2-yl)butyl acetate

1,9-bis(trimethylsilyloxy)-nonanone-5-dimethylhydrazone

(E)-4-(3,4-dihydro-2H-pyran-6-yl)-3-buten-1-ol