Give structures of the compound that produces the following pairs of compound upon ozonolysis.
A.) 4 hydroxy, 3- phenyl pentan 2- one and phenyl butanone
B.) 2, 5 dimethyl hexane 1,6 dial
C.) 3 oxo, 2 phenyl butanoic acid and 4 bromo, 2,2 di hydroxy 4 butanal
D.) Cyclo pentatonic acid and 3 hydroxy, 3 phenyl butanoic acid