InChI=1/C22H26N2O3/c1-15-13-24(14-21(27-15)18-8-5-4-6-9-18)16(2)22(26)23-20-11-7-10-19(12-20)17(3)25/h4-12,15-16,21H,13-14H2,1-3H3,(H,23,26)/t15-,16+,21-/m1/s1/f/h23H 3AD7678496A5A5C4