铱,0.5%负载于活性炭, Iridium,0.5% on activated carbon powder

氯化铱, Iridium(IV) chloride

砷化铁, Iron arsenide

溴化铁(III),无水, Iron(III) bromide

二硅化铁, Iron disilicide

葡萄糖酸亚铁(II)二水合物, Iron(II) gluconate dihydrate

次磷酸铁(III), Iron(III) hypophosphite

氧化镍铁, Iron nickel oxide

四氧化三铁(II,III), Iron(II,III) oxide

氧化铁(III), Iron(III) oxide

硅化铁, Iron silicide

硫化亚铁(II), Iron(II) sulfide

靛红, Isatin

丙烯酸异冰片酯, Isobornyl acrylate

4-羟基苯甲酸异丁酯, Isobutyl 4-Hydroxybenzoate