Ethnomedicinal plants in parasitic infections
57
CH3 H 3C
H N
H N
O
O
H N
O
NH
Cl
O
CH3
NH O
Proguanil
Artemisinin
(7)
(8)
CH3
CH3 H 3C
O
H3C
O
O
O
O
O O
O
CH3
CH3 O
O
CH3
CH3 Artemether
Arteether
(9)
(10)
CH3 H 3C
O
O
O
O
O
CH3 O
HO O Artesunate (11) Figure 1. Structures of antimalarial drugs.