Three ecdysteroid glicosides from pfaffia iresinoides - Nishimoto, N; Shiobara, Y; Inoue, S; Fujino, M; Takemoto, T; Yeoh, C. L; Oliveira, F.; Akisue, Gokithi; Akisue, Maria Kubota; Hashimoto, G (Phytochemistry, 1988)