55780-22-8

(2AR,4AS,6R,6AR,9AR,9BR,9CR)-2-HYDROXY-2,2A,6,9A-TETRAMETHYL-2A,4A,5,6,6A,9A,9B,9C-OCTAHYDRO-2H-1,4-DIOXADICYCLOPENTA[CD,F]AZULENE-3,9-DIONE