InChI=1/C20H29N3O4/c1-20(2,23(25)26)11-14-3-9-17(10-4-14)21-12-18(24)13-27-22-19(15-5-6-15)16-7-8-16/h3-4,9-10,15-16,18,21,24H,5-8,11-13H2,1-2H3/t18-/m0/s1 FC548B2A6B189D6A