InChI=1/C17H21NO3/c1-10-11(2)17(20)21-16-12(3)15(19)13(8-14(10)16)9-18-6-4-5-7-18/h8,19H,4-7,9H2,1-3H3/p+1/fC17H22NO3/h18H/q+1 1D27CD2747B4E2F4