| (1) acteoside | R1 = H; | R2 = H |
| (2) leucosceptoside | R1 = CH3; | R2 = H |
| (4) jionoside D | R1 = H; | R2 = CH3 |
| (5) martynoside | R1 = CH3; | R2 = CH3 |
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