PMC:7291971 / 13400-13669 7 Projects
Annnotations
Id | Subject | Object | Predicate | Lexical cue |
---|---|---|---|---|
T82 | 0-269 | Sentence | denotes | The building block 18 was prepared in 74% yield by reacting 4-nitrobenzenesulfonyl chloride [22] that has a similar reactivity to 2-nitrobenzenesulfonyl chloride as used in Ref. [15], with 5′-amino-2′,3′-isopropylidene adenosine prepared upon published procedures [23]. |