InChI=1/C18H21NO3/c1-11-5-4-6-19(9-11)17-14(10-20)18(21)22-15-8-12(2)7-13(3)16(15)17/h7-8,10-11H,4-6,9H2,1-3H3/t11-/m1/s1 B9DC41B4B2A41D56