Cat. Name CAS. Structure Purity
R021250 α-(1-Methylethenyl)-7-oxo-3-phenyl-4-oxa-2,6-diaz 68107-98-2 α-(1-Methylethenyl)-7-oxo-3-phenyl-4-oxa-2,6-diazabicyclo[3.2.0]hept-2-ene-6-acetic Acid Diphenylmet ≥ 95%