19292-47-8

8,10,14,23,25,28-hexahydroxy-6,21-dimethyloctacyclo[14.11.1.0~2,11~.0~2,15~.0~4,9~.0~13,17~.0~17,26~.0~19,24~]octacosa-4,6,8,10,19,21,23,25-octaene-3,12,18,27-tetrone (non-preferred name)