selecting column having parentheses in column name.

One of our tables is having parentheses in its column name and when we are trying to select that particular column we are getting error

SQL> desc reqhist

Name                                                                                   Null?                      Type

-------------------------------------------------------------------------------------- -------- ----------------------------------------------------------

REQUEST_ID                                                                 NOT NULL                NUMBER(15)

  parent                                                                                                             VARCHAR2(40)

PHASE_CODE                                                              NOT NULL                  VARCHAR2(1)

STATUS_CODE                                                            NOT NULL                  VARCHAR2(1)

  PROGRAM                                                                                                     VARCHAR2(273)

ACTUAL_START_DATE                                                                                   DATE

ACTUAL_COMPLETION_DATE                                                                        DATE

Timetaken(Mints)                                                                                       NUMBER

ARGUMENT_TEXT                                                                                          VARCHAR2(240)

SQL> select Timetaken(Mints) from reqhist;

select Timetaken(Mints) from reqhist

       *

ERROR at line 1:

ORA-00904: "TIMETAKEN": invalid identifier

SQL>

Kindly helps us in this issue.

Regards,

Surya Prakash.