: (+)-Brazilin, (6aS,11bR)-7,11b-Dihydro-benz[b]indeno[1,2-d]pyran-3,6a,9,10(6H)-tetrol, 6,6a,7,11b-Tetrahydro-3,6a,9,10-tetrahydroxyindeno[2,1-c]chromene, 7, 11b-dihydrobenz[b]indeno[1,2-d]pyran-3,6a,9,10 (6H)-tetrol, Brasilin, NSC 56652, Natural Red 24