butyl,chlorocarbonyl,thiophen,piperazine,carboxylate
Piperazine
104808-25-5Piperazine,1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(2,3-dihydro-8-methyl-1,4-benzodioxin-2-yl)carbonyl]-
104808-24-4Piperazine,1-(4-amino-6,7-dimethoxy-2-quinazolinyl)-4-[(2,3-dihydro-5-methyl-1,4-benzodioxin-2-yl)carbonyl]-