52156-81-7 5h,11h-[2]benzopyrano[4,3-g][1]benzopyran-9-carboxylic acid,5,5,12-trimethyl-11-oxo-

 service@apichina.com

Product Name	5H,11H-[2]Benzopyrano[4,3-g][1]benzopyran-9-carboxylic acid,5,5,12-trimethyl-11-oxo-
CAS No.	52156-81-7
Molecular Formula	C₂₀H₁₆O₅

Next：52156-82-8 3-hydroxy-5,5-dimethyl-11-oxo-5h,11h-benzo[c]pyrano[3,2-g]chromene-9-carboxylic acid
Previous：52156-80-6 5h,11h-[2]benzopyrano[4,3-g][1]benzopyran-9-carboxylic acid,3-fluoro-5,5-dimethyl-11-oxo-