76810-16-7
1-(4-methylphenyl)-2(1H)-pyrazinone 4-oxide
76810-26-9
1-(3-Nitro-phenyl)-4-oxy-1H-pyrazin-2-one
76810-11-2
1-(4-Chloro-phenyl)-4-oxy-1H-pyrazin-2-one
942910-39-6
3-(2-hydroxyethyl)pyrazin-2(1H)-one
76810-15-6
1-(4-Bromo-phenyl)-4-oxy-1H-pyrazin-2-one

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