label: Methylmalonylcarnitine (C4-DC)+3-Hydroxyisovalerylcarnitine (C5-OH) &#x7C; DBS &#x7C; Chemistry - non-challenge
label_lc: methylmalonylcarnitine (c4-dc)+3-hydroxyisovalerylcarnitine (c5-oh) &#x7c; dbs &#x7c; chemistry - non-challenge