Robuta

https://webbook.nist.gov/cgi/inchi/InChI%3D1S/C9H13N7O/c1-10-9(17)12-3-2-11-7-6-8(14-4-13-6)16-5-15-7/h4-5H%2C2-3H2%2C1H3%2C(H2%2C10%2C12%2C17)(H2%2C11%2C13%2C14%2C15%2C16) Urea, 1-methyl, 3-[9h-purin-6-ylaminoethyl]- ureamethylpurin