Name anti-cancerous drugs derived from Catharanthus roseus (sadabahar).

Explanation

### Step-by-Step Solution:

1. **Identify the Plant**: The plant in question is Catharanthus roseus, commonly known as Sada Bahar.

2. **Understand the Context**: This plant is known for its medicinal properties, particularly its use in treating cancer.

3. **Recognize the Active Compounds**: The plant contains alkaloids that have anti-cancer properties. Alkaloids are nitrogen-containing compounds that often have significant pharmacological effects.

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