[BE SURE THE TRACK IS CLEAR BEFORE YOU ENTER]
[Historic benzene formulae (from left to right) by Claus (1867),[19] Dewar (1867),[20] Ladenburg (1869),[21] Armstrong (1887),[22] Thiele (1899)[23] and Kekulé (1865). Dewar benzene and prismane are different chemicals that have Dewar’s and Ladenburg’s structures. Thiele and Kekulé’s structures are used today.]
The Necessity for Ruins 