InChI=1/C21H27N3O4/c1-12-6-4-5-7-17(12)23-21(27)24-19(25)11-28-20(26)15-8-9-18-16(10-15)13(2)14(3)22-18/h8-10,12,17,22H,4-7,11H2,1-3H3,(H2,23,24,25,27)/t12-,17+/m0/s1/f/h23-24H E2FCF6145FAE7C0C