N-substituted granatanine-3-spiro-5′-hydantoins as zwitterions. Potentiometric determination of the pK 1 and pK 2 values for the conjugate acids.

Autor: Santos, Emilia, Avendaño, Carmen, Rosillo, Isabel, Trigo, Gregorio G.

Publikováno v: Journal of the Chemical Society, Perkin Transactions 2 (03009580); Apr1982, Issue 4, p389-390, 2p