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system
Provide the molecular formula for the IUPAC named substance [(4R,6R,6aS)-4-(6-amino-2-methylpurin-9-yl)-2,2-dimethyl-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-6-yl]methanol;9-[(4R,6R,6aS)-6-ethyl-2,2-dimethyl-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-4-yl]-2-methylpurin-6-amine;(1R,9R,10R)-10,11-dihydroxy-12-oxa-2,4,7-triazatricyclo[7.2.1.02,6]dodeca-3,5-diene-5-carboximidamide;(1R,9R,10S)-12,12-dimethyl-11,13,15-trioxa-2,4,7-triazatetracyclo[7.5.1.02,6.010,14]pentadeca-3,5-diene-5-carboximidamide;(2R,7S,8R)-5,5,11-trimethyl-4,6,18-trioxa-1,12,15-triaza-10-azoniapentacyclo[8.6.1.12,8.03,7.014,17]octadeca-10(17),11,13,15-tetraen-13-amine .
user
C64H88N25O16+
assistant