2-Butenoic acid, 2-methyl-, (9R,10R)-9-(acetyloxy)-9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b′]dipyran-10-yl ester, (2Z)-
Pteryxin
Crotonic acid, 2-methyl-, 10-ester with 9,10-dihydro-9,10-dihydroxy-8,8-dimethyl-2H,8H-benzo[1,2-b:3,4-b′]dipyran-2-one acetate, (Z)-
2-Butenoic acid, 2-methyl-, 9-(acetyloxy)-9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b′]dipyran-10-yl ester, [9R-[9α,10α(Z)]]-
2H,8H-Benzo[1,2-b:3,4-b′]dipyran, 2-butenoic acid deriv.
Pterixin
Pteryxine
(+)-Pteryxin
(+)-(3′R,4′R)-3′-Acetyl-4′-angeloylkhellactone
cis-3′-Acetyl-4′-angeloylkhellactone