InChI=1/C20H21NO3/c1-12-7-8-13-5-4-6-15(16(13)21-12)24-18(23)20-10-9-14(11-20)19(2,3)17(20)22/h4-8,14H,9-11H2,1-3H3/t14-,20-/m1/s1 B159A577111FA5D5