InChI=1/C17H21NO3/c1-11-4-3-7-18(9-11)10-13-8-16(20)21-17-12(2)15(19)6-5-14(13)17/h5-6,8,11,19H,3-4,7,9-10H2,1-2H3/p+1/t11-/m1/s1/fC17H22NO3/h18H/q+1 817B3CC250E84CA9