甲内酰脲，甲脲乙醇酸酐：晶状化合物，为肌酸分解产物，见于新鲜肉类- isonephrotoxin
- isoniazid
- isonicotinoylhydrazine
- isonicotinylhydrazine
- isonipecaine
- isonitril
- iso-oncotic
- iso-osmotic
- Isopaque
- Isoparorchis trisimilitubis
- isopathy
- isophagy
- isophenolization
- isophoria
- Isophrin
- isopia
- isoplassont
- isoplastic
- isoprecipitin
- isopregnenone
- isoprenaline
- isoprene
- isopropamide iodide
- isopropanol
- isopropyl