cassiarin B An isoquinoline alkaloid that is pyrano[2,3,4-ij]isoquinolin-8(4H)-one substituted by methyl groups at positions 2 and 5 and a 4-methoxy-4-oxobutyl group at position 4. It is isolated from the leaves of Cassia siamea and exhibits antiplasmodial activity against Plasmodium falciparum. |
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