4,6,9,10-Tetrahydroxy-8a-(4-hydroxy-6-methyl-3-oxo-1,3-dihydro-2-benzofuran-1-yl)-8a,9,10,12a-tetrahydro-5H-indeno[1,2-a]anthracene-5,13(8H)-dione AIDS-133630 AIDS133630 NSC629721 Rubellin C