InChI=1/C18H24N2O3/c1-10-5-3-6-14(11(10)2)19-17(22)13-9-12-15(20-18(13)23)7-4-8-16(12)21/h9-11,14H,3-8H2,1-2H3,(H,19,22)(H,20,23)/t10-,11-,14+/m1/s1/f/h19-20H 4E90EF5879D2A838