477-33-8

Samidin (+)-Samidin ]dipyran-9-yl ester 10-Acetoxy-8,8-dimethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-9-yl3-methyl-2-butenoate 3-Methyl-2-butenoic acid (9R,10R)-10-acetoxy-9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-yl ester 2-Butenoic acid, 3-methyl-, (9R,10R)-10-(acetyloxy)-9,10-dihydro-8,8-dimethyl-2-oxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-yl ester