2,7-phenanthrenediol, 9,10-dihydro-4-(1-hydroxyethyl)-1,8-dimethyl- 4-(1-hydroxyethyl)-1,8-dimethyl-9,10-dihydrophenanthrene-2,7-diol InChI=1/C18H20O3/c1-9-12-4-5-13-10(2)17(21)8-15(11(3)19)18(13)14(12)6-7-16(9)20/h6-8,11,19-21H,4-5H2,1-3H