Showing structure for 10,15,22-trihydroxy-7,7,18,18-tetramethyl-8,13,17-trioxapentacyclo[12.8.0.0³,¹².0⁴,⁹.0¹⁶,²¹]docosa-1(22),3,5,9,11,14,16(21),19-octaen-2-one