InChI=1/C19H21NO4/c1-20-7-6-12-8-16(21-2)17(22-3)10-14(12)19(20)13-4-5-15-18(9-13)24-11-23-15/h4-5,8-10,19H,6-7,11H2,1-3H3/t19-/m0/s1 2ABAEC07B069CDE9