4-羟基-3-[(1E,3E)-5-羟基-4-甲基戊-1,3-二烯基]-7-甲氧基-2,3,8-三甲基-2H-苯并[g][1]苯并呋喃-6,9-二酮

(2R,3S)-7-bromo-2,3-dimethyl-4-triisopropylsilanyloxy-2,3-dihydro-benzofuran-3-carbonitrile

(2R,3R)-3-[(1E,3E)-(tert-butyldimethylsilanyloxy)-methylpenta-1,3-dienyl]-8-methoxy-2,3,7-trimethyl-4-triisopropylsilanyloxy-2,3-dihydronaphtho[1,2-b]furan-6,9-dione

(R)-1-((2R,3S)-2,3-dimethyl-4-triisopropylsilanyloxy-2,3-dihydrobenzofuran-3-yl)but-3-en-1-ol

acetic acid (R)-1-((2R,3R)-7-bromo-2,3-dimethyl-4-triisopropylsilanyloxy-2,3-dihydrobenzofuran-3-yl)-but-3-enyl ester