Patent attributes
A radiation-sensitive resin composition includes a compound represented by a formula (1), and a base polymer. In the formula (1), R1 is a group represented by a formula (a1), and M+ represents a radiation-degradable monovalent cation. In the formula (a1), R2 represents a substituted or unsubstituted chain hydrocarbon group having 1 to 30 carbon atoms, or the like. R3 represents a substituted or unsubstituted divalent hydrocarbon group having 1 to 30 carbon atoms, or the like. R41 represents —CO—, or the like. R42 represents —CO—, or the like. m is an integer of 0 to 2. n is an integer of 0 to 1. A site denoted by * is a binding site with —O— in the formula (1).