InChI=1/C18H21NO/c1-12-18-14-7-3-2-6-13(14)10-17(19(12)11-20)15-8-4-5-9-16(15)18/h2-7,9,12,15,17-18,20H,8,10-11H2,1H3/t12-,15-,17+,18-/m0/s1 47C44571ACDAB84B