Synonyms: 18,19-Secolupane-3,18,23,29-tetrol,19,28-epoxy-, (3b,4a,18b,19R,20R)-; (+)-Hosenkol B; Hosenkol B;Spiro[chrysene-2(1H),3'(4'H)-[2H]pyran]-1,8-diol,octadecahydro-7-(hydroxymethyl)-6'-(2-hydroxy-1-methylethyl)-4a,4b,7,10a-tetramethyl-,[1R-[1a,2a[R*(R*)],4ab,4ba,6ab,7b,8a,10aa,10bb,12aa]]-