Copolymer A polymer formed from two

Copolymer A polymer formed from two different compounds (monomers). 

Cope rearrangement a [3,3] sigmatropic rearrangement of a 1,5-diene, copolymer a polymer formed from two or more different monomers, corrin ring system a porphyrin ring system without one of the methine bridges. COSY spectrum a 2-D NMR spectrum that shows coupling between sets of protons. 

---