5-methoxy-3-(6,6-dimethyl-5-oxoheptanoyl)-1,4-naphthoquinone

1,5-dimethoxy-3-(6,6-dimethyl-5-oxoheptanoyl)-4-naphthol

methyl 4-(4'-hydroxy-5'-methoxy-3'-(6'',6''-dimethyl-5''-oxoheptanoyl)-1'-oxo-1',2-dihydronaphth-2'-yl)-2-butenoate

methyl 4-(1'-t-butyldimethylsilyloxy-4'-hydroxy-5'-methoxy-3'-(6'',6''-dimethyl-5''-oxoheptanoyl)naphth-2'-yl)-2-butenoate

(2-tert-Butyl-[1,3]dioxolan-2-yl)-acetaldehyde