3,7,25-Trihydroxycucurbita-5,23-dien-19-al (TCD) is a natural product, that can be isolated from the chloroform extract of the leaves of Momordica foetida.
References:
[1]. DULCIE A. MULHOLLAND, et al. CUCURBITANE TRITERPENOIDS FROM THE LEAVES OF MOMORDICA FOETIDA. Phytochemistry, Vol. 45, No. 2, pp. 391-395, 1997.
















