7-ethoxy-5-[2-ethoxy-5-(4-methylpiperazin-1-ylsulfonyl)phenyl]-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidine

西地那非杂质和衍生物
Order 1093065-15-6 ethoxy,methylpiperazin,ylsulfonyl,phenyl,methyl,propyl,pyrazolo,pyrimidine,4-methylpiperazin-1-yl,methylpiperazin-1-yl,piperazin-1-yl