InChI=1/C17H21NO4/c1-17(2,19)7-5-12-14-11(6-8-18(12)3)9-13-15(16(14)20-4)22-10-21-13/h9,12,19H,6,8,10H2,1-4H3/t12-/m0/s1 DD54BD64B2C957BD