Name the plant and its part which is used to extract important antimalarial drug. Name the drug also.

DDT is an antimalarial drug.

Define antimalarial drugs.

Antimalarial drug is obtained from

Antimalarial drug is obtained from

Antimalarial drug is obtained from

Quinine (antimalarial drug) is obtained from

Quinine (antimalarial drug) is obtained from

Quinine (antimalarial drug) is obtained from

Quinine (antimalarial drug) is obtained from

X is a drug obtained from the barks of the plant name Y . Morever X has a potent anti-malarial property . Name the drug - X and plant - Y .