An adamantanetricarboxylic acid derivative is represented by following Formula (1):
1
wherein X is a hydrogen atom or a hydrocarbon group; and R
1
, R
2
and R
3
may be the same as or different from one another and are each a carboxyl group which may be protected by a protecting group, or a carbonyl halide group, wherein at least one of R
1
, R
2
and R
3
is a carboxyl group which is protected by a protecting group, or a carbonyl halide group.