InChI=1/C18H21NO4/c1-2-22-17(21)15-14-11-7-3-4-9-13(11)23-18(19-16(15)20)10-6-5-8-12(14)18/h3-4,7,9,12,14-15H,2,5-6,8,10H2,1H3,(H,19,20)/t12-,14-,15+,18+/m1/s1/f/h19H 928D42CD38C4BDBA