Prepn: Klein, Kapp, US 2623901 (1952 to Nopco Chem.). Polymorphism: Collin, J. Am. Chem. Soc. 79, 6086 (1957). Enhancement of human serial learning: N. Sitaram et al., Life Sci. 22, 1555 (1978); eidem, Science 201, 274 (1978). Toxicity data: Hartung, Cornish, Toxicol. Appl. Pharmacol. 12, 486 (1968).
Lipotropic.
Lipotropic