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5-Iodo-2-methylbenzoic acid

4-Iodoimidazole

3-S-Isothiuronium propyl sulfonate

3-Isothioureidopropionic acid

2-Iodoimidazole

Isosorbide 5-mononitrate

2-Iodo-5-hydroxypyridine

Isosorbide dinitrate