Citation

Beecham AF , Hart NK , Johns SR Lamberton JA (1968) The stereochemistry of oxindole alkaloids: uncarines A, B (formosanine), C (pteropodine), D (speciophylline), E (isopteropodine), and F. Australian Journal of Chemistry 21, 491-504.

https://doi.org/10.1071/CH9680491