98633-61-5

Sarmentocymarin can be isolated from the air-dried powd. roots of Cryptolepis buchanani Roem[1].

[1] Chen K K, et al. The potency of five additional cardiac glucosides, calotropin,?伪-antiarin, emicymarin, folinerin and sarmentocymarin[J]. The Journal of the American Pharmaceutical Association (1912), 1937, 26(3): 214-218.