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Alkaloids by chemical classification
Furoquinoline alkaloids
Guanidine alkaloids
Halogen-containing alkaloids
Indole alkaloids
Indolizidine alkaloids
Isoquinoline alkaloids
Phenethylamine alkaloids
Piperidine alkaloids
Pyridine alkaloids
Pyrrolidine alkaloids
Pyrrolizidine alkaloids
Quinoline alkaloids
Quinolizidine alkaloids
Quinuclidine alkaloids
Steroidal alkaloids
Terpene alkaloids
Tetrahydroisoquinoline alkaloids
Tropane alkaloids
Tryptamine alkaloids
Xanthines
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