Patent ID: 8377627

Claim:
A compound shown by the following formula (1), wherein R individually represent a hydrogen atom or a substituted or unsubstituted monovalent acid-labile group having a chain-like structure, X individually represent a substituted or unsubstituted alkylene group having 1 to 8 carbon atoms; Y individually represent a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms, a substituted or unsubstituted alkenyl group having 2 to 10 carbon atoms, a substituted or unsubstituted alkynyl group having 2 to 10 carbon atoms, a substituted or unsubstituted aralkyl group having 7 to 10 carbon atoms, a substituted or unsubstituted alkoxy group having 1 to 10 carbon atoms, or a substituted or unsubstituted phenoxy group, and q individually represent 0 or 1, and wherein a content of the substituted or unsubstituted monovalent acid-labile groups each represented by R with respect to all Rs is from 10 to 50 mol %.