preferred_name: Conversion of C2 into C2a and C2b (Rattus norvegicus)
preferred_name_lc: conversion of c2 into c2a and c2b (rattus norvegicus)
label: Conversion of C2 into C2a and C2b (Rattus norvegicus)
label_lc: conversion of c2 into c2a and c2b (rattus norvegicus)