19-Oxocinobufagin is a natural product from Bufo bufo gargarizans Cantor.

Prenatal exposure to Integerrimine N-oxide induces maternal toxicity, impairment of maternal care and delayed in physical and behavioral development of the offspring. Doses of Integerrimine N-oxide here employed did not produce marked immunotoxic effects.

Epothilone A 是一种微管稳定剂，EC0.01 为 2 μM。