InChI=1/C15H25N3O3/c1-9-3-5-18(6-4-9)13-8-11(15(20)21)7-12(16)14(13)17-10(2)19/h8-9,12-14H,3-7,16H2,1-2H3,(H,17,19)(H,20,21)/t12-,13+,14+/m0/s1/f/h17-18H 21D719EE2DD3FB5A