A class of organic compounds containing a five-membered ring with oxygen and nitrogen atoms.
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4-TRANS-PHENYLCYCLOHEXANE-(1R,2-CIS)-DICARBOXYLIC ANHYDRIDE
methyl (2S,3S)-(+)-3-chloro-2-hydroxy-3-phenylpropanoate
benzyl 4,6-O-benzylidene-2-deoxy-2-ethylamino-β-D-allopyranoside
2-Cyclohexen-1-one, 2,2'-ethylidenebis[3-hydroxy-
