for the following products
(2R,3S,4R,5R)-2-(Hydroxymethyl)-5-(6-(methylamino)-9H-purin-9-yl)tetrahydrofuran-3,4-diol | (2R,3S,4R,5R)-2-(Hydroxymethyl)-5-[6-(methylamino)purin-9-yl]oxolane-3,4-diol | 6-Methylaminopurine 9-ribofuranoside and N6-Methyladenosine
