Martynoside, forsythoside B, ladanein and 7a-acetoxyroyleanone from Ballota nigra L.

@inproceedings{Tth2007MartynosideFB,
  title={Martynoside, forsythoside B, ladanein and 7a-acetoxyroyleanone from Ballota nigra L.},
  author={Enikő T{\'o}th and G{\'a}bor T{\'o}th and I. G. Mathe and Gerald Blunden},
  year={2007}
}