Prepn: Ruzicka, Waldman, Helv. Chim. Acta 15, 907 (1932); Fieser, Hershberg, J. Am. Chem. Soc. 58, 2314 (1936); Burtner, US 2623065 (1952 to Searle).
Choleretic.
Choleretic