Complex sentence: It was long after the death of Geuther when Ludwig Knorr, Geuthers successor at the University of Jena, solved the riddle proving both sides right: the true nature of ethyl acetoacetate was a tautomeric equilibrium between the both suggested structures.
Split into simpler sentences: It was long after the death of Geuther before Ludwig Knorr, Geuthers successor at the University of Jena, solved the riddle proving both sides right. The true nature of ethyl acetoacetate was a tautomeric equilibrium between the both suggested structures.