Depressan, 1,4-dihydrazino-phthalazine,sulfate, dihydrazino-1,4-phthalazine sulfate, 1,4-dihydrazinophthalazine sulfate(1:1); Phthalazine,1,4-dihydrazino-,sulfate (1:1); 1,4-Dihydrazino-phthalazin,Sulfat; 1,4-Dihydrazinophthalazine hydrogen sulfate; Dihydralazine sulphate; Sulfate de dihydralazine [French]; Dihydralazine sulfate; dihydralazine;