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Selected members of the aporphine alkaloid family.
 | ||||||
| R1 | R2 | R3 | R4 | R5 | R6 | |
| aristolactams | ||||||
| aristolactam I (113) | O–CH2–O | H | H | H | OMe | |
| aristolactam AII (114) | OH | OMe | H | H | H | H |
| aristolactam BII (115) | OMe | OMe | H | H | H | H |
| enterocarpam II (116) | OH | OMe | H | H | H | OMe |
| aristolochic acids | ||||||
| aristolochic acid I (117) | OMe | |||||
| aristolochic acid II (118) | H | |||||
| 4,5-dioxoaporphines | ||||||
| aristolodione (119) | Me | OH | OMe | |||
| cepharadione A (120) | Me | O–CH2–O | ||||
