Present name. - Quinia Hydrocyanate. C20H14N2O2 Hcn.

This may also be prepared by direct union of its acid and base. There is no regular proving extant. It was at one time a favourite remedy for intermittents, and considered to be more powerful than the Sulphate. It is an unstable salt in solution.

Preparation. - Solution in distilled water, which must be freshly prepared.