2-AZETIDINONE, 3-(p-AMINOPHENYL)-3-ETHYL- 3-(p-Aminophenyl)-3-ethyl-2-azetidinone 3-para-Aminofenil-3-etil-2-azetidinone [Italian] 4-22-00-06454 (Beilstein Handbook Reference) 73855-94-4 BRN 0162908 L 1832