Acrylamide derivative, polymer compound and photoresist composition

3:

• A polymer obtained by a process comprising polymerizing a raw material comprising the acrylamide derivative according to claim 1.

5:

• A polymer obtained by a process comprising polymerizing a raw material comprising the acrylamide derivative according to claim 2.

7:

• The acrylamide derivative according to claim 1,
• wherein R1 is a hydrogen atom or a methyl group.

8:

• The acrylamide derivative according to claim 2,
• wherein R1 is a hydrogen atom, a methyl group.

9:

• The acrylamide derivative according to claim 1,
• wherein W is a C1 to C5 alkylene group.

10:

• The acrylamide derivative according to claim 2,
• wherein W is a C1 to C5 alkylene group.

11:

• The acrylamide derivative according to claim 1,
• wherein if R3 is present, R3 is a branched C3 or C4 alkyl group.

12:

• The acrylamide derivative according to claim 2,
• wherein if R3 is present, R3 is a branched C3 or C4 alkyl group.

13:

• The acrylamide derivative according to claim 1,
• wherein if n is present, n is 2.

14:

• The acrylamide derivative according to claim 2,
• wherein if n is present, n is 2.

15:

• The acrylamide derivative according to claim 2,
• wherein Z is a methylene group or an oxygen atom.

16:

• The acrylamide derivative according to claim 2,
• wherein each of R4, R5, R6, R8, R9, and R10 is a hydrogen atom, a C1 to C3 alkyl group, or a C1 to C3 alkoxy group.

17:

• The acrylamide derivative according to claim 2,
• wherein each of R7 is in an endo position.