Robuta

https://webbook.nist.gov/cgi/inchi/InChI%3D1S/C18H25NO6/c1-3-12-8-11(2)18(23%2C10-20)17(22)24-9-13-4-6-19-7-5-14(15(13)19)25-16(12)21/h3-4%2C11%2C14-15%2C20%2C23H%2C5-10H2%2C1-2H3/b12-3%2B/t11-%2C14-%2C15-%2C18-/m1/s1 Usaramine