InChI=1/C17H23N3O5/c1-9-13(15(23)25-3)11(19-14(9)10(2)21)8-12(22)20-17(16(18)24)6-4-5-7-17/h19H,4-8H2,1-3H3,(H2,18,24)(H,20,22)/f/h20H,18H2 6A2DA718AEFC47A6