ChemInform Abstract: New Diterpenoids Isolated from Stevia rebaudiana Fermented by Saccharomyces cerevisiae. Issue 44 (15th October 2015) - Kamauchi, Hitoshi; Kon, Tatsuhiko; Kinoshita, Kaoru; Takatori, Kazuhiko; Takahashi, Kunio; Koyama, Kiyotaka