dinaphthazine

例句：

1. 1. The chemical was found in the soil samples collected from the site.
   这种化学物质被发现在从该地点收集的土壤样本中。
2. 2. Dinaphthazine is a potent neurotoxin that can cause severe symptoms in humans.
   二氮杂萘是一种强效的神经毒素，对人类可以引起严重的症状。
3. 3.The study focused on the toxicity of dinaphthazine and its potential health risks.
   该研究专注于二氮杂萘的毒性及其潜在的健康风险。