butyl,methyl,nitrosopiperazine,piperazine
Piperazine
62348-25-8Piperazine,1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-(4-isothiazolylcarbonyl)-,monohydrochloride
62348-14-5Piperazine,1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-(3-isoxazolylcarbonyl)-,monohydrochloride