NC18098
1-(2-Deoxy-4-thio-β-L-erythro-pentofuranosyl)-5-ethyl-2,4(1H,3H)-pyrimidinedione
161478-77-9
NC18099
6H-Purin-6-one,1,9-dihydro-9-[tetrahydro-5-(hydroxymethyl)-2-thienyl]-,(2S-cis)-
160963-09-7
