2-amino-9-(2-S-methyl-2-thiopentofuranosyl)-1,9-dihydro-6H-purin-6-one 6H-purin-6-one, 2-amino-1,9-dihydro-9-(2-S-methyl-2-thiopentofuranosyl)- InChI=1/C11H15N5O4S/c1-21-7-6(18)4(2-17)20-10(7)16-3-13-5-8(16)14-11(12)15-9(5)19/h3-4,6-7,10,17-18H,2H2,1H3,(H3,12,14,15,19