1(2H)-Pyridineacetic acid, 3,4-dihydro-3-iodo-6-methyl-2,4-dioxo-, compd. with 2,2'-iminobis(ethanol) (1:1) (9CI) 10085-77-5 2,4-DIOXO-3-IODO-6-METHYL-TETRAHYDROXYPYRIDINE-N-ACETIC ACID DIETHANOLAMINE SALT