1-Butanol, 2,2'-(ethylenediimino)di-, dihydrochloride, mixed with sodium nitrite (1:1) EL3855000 Ethambutol mixed with sodium nitrite (1:1) Sodium nitrite mixed with ethambutol (1:1) d-N,N'-Di(1-hydroxymethylpropyl)ethylenediamine dihydrochloride mixed with sodium nitrite