Source:http://linkedlifedata.com/resource/umls/id/C0016213
MSH: Derivatives of the dimethylisoalloxazine (7,8-dimethylbenzo[g]pteridine-2,4(3H,10H)-dione) skeleton. Flavin derivatives serve an electron transfer function as ENZYME COFACTORS in FLAVOPROTEINS.,CSP: group of compounds containing the isoalloxazine nucleus; characterized by yellow color and intense green fluorescence in the oxidized form.