5-Hexanoylamino-N-methyl-2,4,6-triiodoisophthalamic acid N-methylglucamine salt 67314-28-7 ISOPHTHALAMIC ACID, 5-HEXANOYLAMINO-N-METHYL-2,4,6-TRIIODO-, N-METHYLGLUCAMINE S Isophthalamic acid, 5-hexanoylamino-N-methyl-2,4,6-triiodo-, N-methylglucamine salt