azetidinetrione,azetidine
Azetidine
84823-49-4benzhydryl alpha-(1-hydroxyethylidene)-4-oxo-3-[(phenoxyacetyl)amino]-2-[[(p-tolyl)sulphonyl]thio]azetidine-1-acetate
62012-05-9Benzenesulfonic acid,2,2'-(2,4-dioxo-1,3-diazetidine-1,3-diyl)bis[5-[(4-isocyanatophenyl)methyl]-