a chemical reaction that is facilitated by the presence of a specific reagent or catalyst
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(+/-)-(6S*,6aR*,9aR*)-6a,8,9,9a-tetrahydro-6-(4-methylphenyl)-7H-cyclopenta-6λ4-benzo<1,2>thiazine 6-oxide
3-O-benzyl-1,2-O-isopropylidene-6,7,8-trideoxy-α-D-gluco-oct-7-enofuranose
2-Azidomethyl-benzoic acid (2R,3S,4R,5R,6S)-4-acetoxy-5-acetylamino-6-allyloxy-2-hydroxymethyl-tetrahydro-pyran-3-yl ester