152821-47-1 2,7,11-Tetradecatrienoic acid, 4,6,8,10-tetraethyl-4,6-dihydroxy- 4,6,8,10-Tetraethyl-4,6-dihydroxy-2,7,11-tetradecatrienoic acid 4,6-Dhte-tdta 4,6-Dihydroxy-4,6,8,10-tetraethyltetradec-2,7,11-trienoic acid