002973: InChI=1.12Beta/C18H21NO2/c1-17(11-19)7-4-8-18(2)14-6-5-12(21-3)9-13(14)15(20)10-16(17)18/h1-3H3,4H2,5-6H,7-8H2,9H,10H2,16H/t16-,17+,18-/m1/s1