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1-Methyl-6-nitro-1H-benzo[d][1,3]oxazine-2,4-dione: BD4165184693-01-095%; ￥4257.01g

Benzoyl cyanide: BD115938613-90-198%; ￥41.025g

1-Methyl-1H-benzo[d][1,3]oxazine-2,4-dione: BD14510810328-92-498%; ￥944.0100g

1-(1H-Imidazol-1-yl)ethanone: BD414952466-76-498%; ￥38.010g

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