3,4-Pyridinedimethanol, 5-hydroxy-6-methyl-, mixt. with L-ascorbic acid, 3-pyridinecarboxylic acid and zinc sulfate (1:1) 87495-27-0 Efavit L-Ascorbic acid, mixt. with 5-hydroxy-6-methyl-3,4-pyridinedimethanol, 3-pyridinecarboxylic acid and zinc sulfate (1:1)