InChI=1S/C18H23NO3.CHNS/c1-19-8-7-18-11-4-5-13(20)17(18)22-16-14(21-2)6-3-10(15(16)18)9-12(11)19;2-1-3/h3,6,11-13,17,20H,4-5,7-9H2,1-2H3;3H/t11-,12+,13-,17-,18-;/m0./s1