Which of the following terms best describes the pair of compounds shown: or 
Definitions:
Contract
A legally enforceable agreement between two or more parties that creates mutual obligations enforceable by law.
Breach
The violation or non-fulfillment of a legal obligation, contract, duty, or standard.
Recover
Refers to the process of getting back lost or inaccessible data or functions from damaged or failed hardware or software.
Construction
A process of building, engineering, or assembling infrastructure and buildings.
Q1: Does one expect ΔS° in a propagation
Q5: The following structure is a proteasome
Q18: What is the major constituent of natural
Q20: Provide the major organic product of the
Q47: Describe the major products of the following
Q50: Based on the relative stabilities of the
Q55: Provide an acceptable name for CHCl<sub>3</sub>.
Q61: Provide the structure of the major organic
Q111: Provide the structure of a soap. Label
Q123: Give the structure of the alkene which