InChI=1/C17H17NO3/c1-2-3-15-17(11-4-6-12(19)7-5-11)18-14-9-8-13(20)10-16(14)21-15/h4-10,15,19-20H,2-3H2,1H3/t15-/m0/s1 43C9DE92701953E5