Sigma-Aldrich
Q 44 2-(3-(3-CYCLOHEXEN-1-YL)PROPYL)-3-HYDROXY-1,4-NAPHTHOQUINONE
Q126 2-(4-CYCLOHEXYLBUTYL)-3-(ETHOXYCARBONYLMETHOXY)-1,4-NAPHTHOQUINONE
Q189 2-(3-CYANOPROPYL)-3-HYDROXY-1,4-NAPHTHOQUINONE
Quadrangolin A
Quartz-fused