Butanol
But- → beautiful → door → four → 4 carbon atoms
-anol → an old → an old pharaoh → pharaoh → OH
The chemical structural of butanol looks likes this…

And can look this…

Or this

butanol = C4H9OH
C4H9OH
C4H9OH is

Which looks like

Or

4 carbon atoms → four → door → beautiful → But-
OH → pharaoh → an old pharaoh → an old → -anol
C4H9OH = butanol