label: Butyrylcarnitine+Isobutyrylcarnitine (C4)/Octanoylcarnitine (C8) &#x7C; DBS &#x7C; Chemistry - non-challenge
label_lc: butyrylcarnitine+isobutyrylcarnitine (c4)/octanoylcarnitine (c8) &#x7c; dbs &#x7c; chemistry - non-challenge