5-Methyl-6,7-dihydro-5H-cyclopentapyrazine23747-48-0100 % similar 2-sec-Butyl-3-methoxypyrazine24168-70-539 % similar 5,6,7,8-Tetrahydroquinoxaline34413-35-938 % similar 2,3-Diethylpyrazine15707-24-137 % similar 2-Isobutyl-3-methylpyrazine13925-06-936 % similar 2-Methyl-3-propylpyrazine15986-80-833 % similar 3-Isobutyl-2-methoxypyrazine24683-00-933 % similar 2-Ethoxy-3-isopropylpyrazine72797-16-133 % similar Isopropyl methoxypyrazine25773-40-432 % similar 2-Ethyl-3-methylpyrazine15707-23-031 % similar 2-sec-Butylthiazole18277-27-531 % similar