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. 2018 Jan 30;187(2):495–506. doi: 10.1007/s00442-018-4064-z

Fig. 5.

Fig. 5

Chemical structure of glycoalkaloid aglycons and their glycoside moieties found in Solanum dulcamara using LC-qToF-MS. The configuration of the F-ring on position R1 and the saturation level of the C5-C6 bond determine the type of aglycon backbone, which is conjugated to a glycoside moiety on position R2