003872: InChI=1.12Beta/C18H18O2/c19-18(20)17-8-4-3-7-16(17)12-13-9-10-14-5-1-2-6-15(14)11-13/h1-2H2,3-4H,5-6H2,7-11H,12H2,(H,19,20)