A phosphorylcholine group-containing chemical compound represented by the following formula (1): wherein, m denotes 2-6 and n denotes 1-4, X1, X2, and X3, are independent of each other, and denote a methoxy group, ethoxy group, or halogen; up to two of X1, X2, and X3 can be any of the following groups: a methyl group, ethyl group, propyl group, isopropyl group, butyl group, or isobutyl group: R is a structure represented by the following formula (2) (the chemical compound of formula (1) in the structure of formula (2) being expressed as A-R—B): A-(CH2)L—B  (2) wherein, in formula formulas (2), L is 1-6.