InChI=1/C27H30N2O4/c1-4-32-27(31)21-11-12-23-22(14-21)25(15-24(28-23)20-9-7-18(2)8-10-20)33-17-26(30)29-13-5-6-19(3)16-29/h7-12,14-15,19H,4-6,13,16-17H2,1-3H3/t19-/m1/s1 C019D4B100C502AA