diphosgene / daɪˈfɒs dʒin /

🎓大学词汇双光气双光子双光剑双光子气

diphosgene 的定义

n. 名词 noun

Chemistry.

  1. a colorless liquid, C2Cl4O2, usually derived from methyl formate or methyl chloroformate by chlorination: a World War I poison gas now used chiefly in organic synthesis.