Process for producing 2-azabicyclo[2.2.1]hept-5-en-3-one Grant US-6232473-B1 United States of America 15 May 2001
Process for producing and method of crystallizing 2-azabicyclo(2.2.1)hept-5-en-3-one Grant US-6153765-A United States of America 28 Nov 2000
Process for producing and method of crystallizing 2-azabicyclo[2.2.1]hept-5-en-3-one Grant US-6060609-A United States of America 09 May 2000