https://portal.fis.leibniz-lsb.tum.de/en/publications/a-new-phytoecdysteroid-from-the-stem-bark-of-vitex-cienkowskii-4/
A new phytoecdysteroid from the stem bark of Vitex cienkowskii - Leibniz-LSB@TUM
https://species.wikimedia.org/wiki/Spirobacillus_cienkowskii
Spirobacillus cienkowskii - Wikispecies
wikispecies