Free release

52156-83-9 5h,11h-[2]benzopyrano[4,3-g][1]benzopyran-9-carboxylic acid,3-(acetyloxy)-5,5-dimethyl-11

service@apichina.com
Product Name 5H,11H-[2]Benzopyrano[4,3-g][1]benzopyran-9-carboxylic acid,3-(acetyloxy)-5,5-dimethyl-11-oxo-
CAS No. 52156-83-9
Molecular Formula C21H16O7