1-Decarboxyl-1-(bromoacetyl) Norneovardenafil;358388-58-6;2-[5-(2-bromoacetyl)-2-ethoxyphenyl]-5-methyl-7-propyl-1H-imidazo[5,1-f][1,2,4]triazin-4-one;2-[5-(2-bromoacetyl)-2-ethoxyphenyl]-5-methyl-7-propyl-3H-imidazo[5,1-f][1,2,4]triazin-4-one;1-Decarboxyl-1-(bromoacetyl) Norneovardenafil (contains up to 10% 1-Chloroacetyl)