label: a 2'-deoxyguanosine in DNA + methylglyoxal => an N(2)-(1-hydroxy-2-oxopropyl)-2'-deoxyguanosine in DNA
label_lc: a 2'-deoxyguanosine in dna + methylglyoxal => an n(2)-(1-hydroxy-2-oxopropyl)-2'-deoxyguanosine in dna