InChI=1/C18H19NO3/c1-21-18(20)16-11-14(12-19-16)22-17-10-6-5-9-15(17)13-7-3-2-4-8-13/h2-10,14,16,19H,11-12H2,1H3/t14-,16-/m0/s1 44BD03D1904410C1