Robuta

https://webbook.nist.gov/cgi/inchi?ID=C78210681&Units=SI 2-Oxo-1-methyl-3-isopropylpyrazine oxomethyl https://webbook.nist.gov/cgi/inchi?ID=C78210681&Units=CAL&Mask=2000 2-Oxo-1-methyl-3-isopropylpyrazine oxomethyl https://webbook.nist.gov/cgi/inchi?ID=C78210681&Units=CAL&Mask=200 2-Oxo-1-methyl-3-isopropylpyrazine oxomethyl