2-Butenoic acid, 2-methyl-, (9S)-9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b′]dipyran-9-yl ester, (2Z)-
Crotonic acid, 2-methyl-, ester with 9,10-dihydro-9-hydroxy-8,8-dimethyl-2H,8H-benzo[1,2-b:3,4-b′]dipyran-2-one, (Z)-(S)-
2-Butenoic acid, 2-methyl-, 9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b′]dipyran-9-yl ester, [S-(Z)]-
2H,8H-Benzo[1,2-b:3,4-b′]dipyran, 2-butenoic acid deriv.
Selinidin
Secryptotaenin A