147676-50-4

J2.357.565E Piperiacetidenafil Piperiacetildenafi Piperiacetildenafil Piperidinohongdenafil Apremilast Impurity 109 Piperidino acetildenafil Piperidino-acetildenafil Piperiacetildenafil ISO 9001：2015 REACH 5-(2-Ethoxy-5-piperidinoacetylphenyl)-1-Methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyriMidin-7-one 5-[2-Ethoxy-5-[2-(1-piperidinyl)acetyl]phenyl]-1,6-dihydro-1-Methyl-3-propyl-7H-pyrazolo[4,3-d]pyriMidin-7-one 7H-Pyrazolo[4,3-d]pyrimidin-7-one, 5-[2-ethoxy-5-[2-(1-piperidinyl)acetyl]phenyl]-1,6-dihydro-1-methyl-3-propyl-