phenyl-9-hydroxy-9-methyl-10,2,10-(epoxymetheno)-2-benz(b)azacyclododeca-5-ene-3,7-diyne-1-carboxylate
phenyl-9-hydroxy-9-methyl-10,2,10-(epoxymetheno)-2-benz(b)azacyclododeca-5-ene-3,7-diyne-1-carboxylate