(2S,3S,4R,5R)-5-(6-aminopurin-9-yl)-N-ethyl-3,4-dihydroxyoxolane-2-carboxamide (2S,3S,4R,5R)-5-(6-aminopurin-9-yl)-N-ethyl-3,4-dihydroxy-tetrahydrofuran-2-carboxamide (2S,3S,4R,5R)-5-(6-amino-9-purinyl)-N-ethyl-3,4-dihydroxy-2-tetrahydrofurancarboxamide (2S,3S,4R,5R)-5-(6-aminopurin-9-yl)-N-ethyl-3,4-dihydroxy-oxolane-2-carboxamide NECA NCGC00025260-04 MLS000069759 SMR000058759 N-ETHYL-5'-CARBOXAMIDO ADENOSINE (2S,3S,4R)-5-(6-Aminopurin-9-yl)-N-ethyl-3,4-dihydroxy-oxolane-2-carboxamide nchembio873-comp55 NEC NCGC00025260-03