000276: InChI=1.12Beta/C27H28N2O2/c30-26(23-12-6-2-7-13-23)20-25(27(31)24-14-8-3-9-15-24)29-18-16-28(17-19-29)21-22-10-4-1-5-11-22/h1-15H,16-21H2,25H/t25-/m1/s1