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2(1H)-pyrazinone, 5-chloro-3-hydrazinyl-1-methyl-

2,3-Pyrazinedione, 1,4-dihydro-1-(1-methylethyl)-

2(1H)-pyrazinone, 3-bromo-1-(1-methylethyl)-

1H-pyrazole-3-carboxylic acid, 5-(2-furanyl)-1-phenyl-, ethyl ester

Benzenamine, 2-(1-methyl-1h-tetrazol-5-yl)-

1H-tetrazole, 5-(2-bromophenyl)-1-methyl-

1H-pyrazole-5-carboxylic acid, 3-(4-bromophenyl)-1-phenyl-

3-Pyridinebutanoic acid, α,γ-dioxo-, ethyl ester

1H-pyrazole-5-carboxylic acid, 1-phenyl-3-(3-pyridinyl)-, ethyl ester

1H-pyrazole-5-carboxylic acid, 1-phenyl-3-(3-pyridinyl)-

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