C18H18
Appearance
The molecular formula C18H18 (molar mass: 234.33 g/mol, exact mass: 234.1409 u) may refer to:
- Cyclooctadecanonaene, or [18]annulene
- Retene
The molecular formula C18H18 (molar mass: 234.33 g/mol, exact mass: 234.1409 u) may refer to: