InChI=1/C14H17NO3/c1-7-5-6-8(2)12-11(7)14(13(16)15-12)17-9(3)10(4)18-14/h5-6,9-10H,1-4H3,(H,15,16)/t9-,10+,14?/f/h15H 0EF96EE1B98EBD93