orthophenanthroline

例句：

1. 1. Orthophenanthroline is a natural pigment found in many plants, including the petals of the rose.
   紫丁香酮是一种自然色素，存在于许多植物中，包括玫瑰的花瓣。
2. 2. The compound has been shown to have anticancer properties and is used in cancer treatments.
   这种化合物已被证明具有抗癌性质，并用于癌症治疗。
3. 3. In recent years, scientists have discovered that orthophenanthroline can help prevent Alzheimer's diseaseby inhibiting certain enzymes.
   近年来，科学家发现紫丁香酮可以抑制某些酶，从而有助于预防阿尔茨海默病。