InChI=1/C27H23NO5/c1-4-32-20-10-8-18(9-11-20)28-24(17-6-5-7-19(29)14-17)23-25(30)21-12-15(2)16(3)13-22(21)33-26(23)27(28)31/h5-14,24,29H,4H2,1-3H3/t24-/m0/s1 61CAAE7B77D54E6C