InChI=1/C22H25NO5/c1-12(2)28-22(26)18-13(3)23-16-6-5-7-17(24)20(16)19(18)14-8-10-15(11-9-14)21(25)27-4/h8-12,18-20H,3,5-7H2,1-2,4H3/t18-,19-,20-/m0/s1 D7332D8C1867F869