uroselectan B

Iodomethamic acid

Diiodo-N-methylchelidamic acid

1,4-Dihydro-3,5-diiodo-1-methyl-4-oxo-2,6-pyridinedicarboxylic acid

1,4-dihydro-3,5-diiodo-1-methyl-4-oxopyridine-2,6-dicarboxylic acid