| 5984-59-8 | (1,5-dimethylhexyl)ammonium chloride | C8H19 N . Cl H |
| 5984-95-2 | (-)-ISOPROTERENOL HYDROCHLORIDE | C11H17 N O3 . Cl H |
| 5984-94-1 | ISOPILOCARPINE NITRATE | C11H17N3O5 |
| 5984-56-5 | Isonipecotic acid hydrochloride | C6H11 N O2 . Cl H |
| 5984-97-4 | Iodothiouracil | C4H3 I N2 O S |