3-(Benzoyl)aminopyrazine-2-carboxylic acid methyl ester
3-(Dibenzoylamino)-2-pyrazinecarboxylic acid methyl ester
3-[Bis(4-methylbenzoyl)amino]-2-pyrazinecarboxylic acid methyl ester
3-[(4-Chlorobenzoyl)amino]-2-pyrazinecarboxylic acid hydrazide
3-Acetamidopyrazinecarboxylic acid methyl ester
2-Phenyl-4H-pyrazino[2,3-d][1,3]oxazin-4-one
2-(4-Methoxyphenyl)-4H-pyrazino[2,3-d][1,3]oxazin-4-one
