Spirasine III (9-Hydroxyspiredine) is a natural alkaloid.
References:
[1]. Fan L, Zhang Z, Shen Y, Hao X. Five diterpene alkaloids from Spiraea japonica (Rosaceae). Biochemical systematics and ecology. 2004;32(1):75-8.
References:
[1]. Fan L, Zhang Z, Shen Y, Hao X. Five diterpene alkaloids from Spiraea japonica (Rosaceae). Biochemical systematics and ecology. 2004;32(1):75-8.
















