Pteryxine | (Z)-2-Methyl-2-butenoic acid [(9R)-9-acetoxy-9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-10α-yl] ester |
(2Z)-2-Methyl-2-butenoic acid (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 | (Z)-2-Methyl-2-butenoic acid[(9R)-9-acetoxy-9,10-dihydro-8,8-diMethyl-2-oxo-2H,8H-benzo[1,2- b:3,4-b']dipyran-10α-yl] ester 8H-benzo[1,2- |