Correct spelling for the English word "triotonol" is [tɹˈa͡ɪətˌɒnɒl], [tɹˈaɪətˌɒnɒl], [t_ɹ_ˈaɪ_ə_t_ˌɒ_n_ɒ_l] (IPA phonetic alphabet).
Trade name of a mixture the glycerophosphates of calcium, sodium, and strychnine, in the proportion of 2 1/2 grains of each of the first two and gr. 1/60 of the last, see tonol.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.