dibenzoylmethane造句

例句与造句

1. 1, 3-Diphenyl-1, 3-propanedione ( "'dibenzoylmethane "', DBM ) is an aromatic 1, 3-diketone derivative of acetylacetone ( acac ), where both methyl groups in acac have been substituted by phenyl groups.
2. It's difficult to find dibenzoylmethane in a sentence. 用dibenzoylmethane造句挺难的