“The disodium salt of 2,6-dimethyl-1,…-dihydropyridine-3,5-bis-carbonyl hydroxyacetic acid I ) used in the mg/kg dose decreases the cyclophosphane toxicity in … and potentiates the cytostatic activity of cyclophosphane, 5-fluorouracil and arabinosyl cytosine against leukemia P388, murine sarcoma 37 and Walker's carcinosarcoma.”