A type of functional group containing a carbon-carbon triple bond
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C28H22O4
(1aR,2R,7bS)-2-Ethynyl-7b-(1-hydroxy-1-methyl-ethyl)-1a,7b-dihydro-2H-1-oxa-3-aza-cyclopropa[a]naphthalene-3-carboxylic acid phenyl ester
