主权项 |
1. An influenza virus infection inhibitor for fiber processing, comprising a compound that inhibits influenza virus infection, wherein the compound has at least one of substituents with structural formulae represented by the respective general formulae (1) to (3) on a side chain of a linear macromolecule and contains not less than 70% by weight of a monomer component having at least one of the substituents with the structural formulae represented by the general formulae (1) to (3): wherein m, n, and p each represent an integer of 0 to 2; R1 to R19 each are any of hydrogen, a carboxy group, a sulfonic acid group, a carboxy group in salt form, a sulfonic acid group in salt form, a carboxy group in esterified form, and a sulfonic group in esterified form; at least one of R1 to R5 is a carboxy group, a sulfonic acid group, a carboxy group in salt form, a sulfonic acid group in salt form, a carboxy group in esterified form, or a sulfonic group in esterified form; at least one of R6 to R12 is a carboxy group, a sulfonic acid group, a carboxy group in salt form, a sulfonic acid group in salt form, a carboxy group in esterified form, or a sulfonic group in esterified form; and at least one of R13 to R19 is a carboxy group, a sulfonic acid group, a carboxy group in salt form, a sulfonic acid group in salt form, a carboxy group in esterified form, or a sulfonic group in esterified form. |