for the following products
(3aR,4R,6R,6aR)-4-(4-Aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-6-(hydroxymethyl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxole-4-carbonitrile and D-Altrononitrile, 2-c-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-2,5-anhydro-3,4-O-(1-methylethylidene)-
