InChI=1/C19H25NO3/c1-12-6-7-16-15(8-17(21)22-18(16)14(12)3)10-20-9-13(2)23-19(4,5)11-20/h6-8,13H,9-11H2,1-5H3/t13-/m0/s1 FEE1B46CC502BEC1