Robuta

https://webbook.nist.gov/cgi/inchi/InChI%3D1S/C14H20N2O3/c1-9(2)12(15)13(17)16-11(14(18)19)8-10-6-4-3-5-7-10/h3-7%2C9%2C11-12H%2C8%2C15H2%2C1-2H3%2C(H%2C16%2C17)(H%2C18%2C19) N-Valylphenylalanine n