ELECTROLYTIC SOLUTION, ELECTROCHEMICAL DEVICE, LITHIUM-ION SECONDARY BATTERY, AND MODULE

An electrolyte solution containing at least one compound (1) selected from a compound represented by the following formula (1-1) and a compound represented by the following formula (1-2), the formula (1-1) being: wherein Rto Rare each individually a C1-C4 linear alkyl group, the formula (1-2) being: wherein Rto Rare each individually a C1-C4 linear alkyl group.