Chemical Structure of Viprogra Viprogra is known for its active ingredient, sildenafil citrate. This compound is crucial for its therapeutic efficacy. Structurally, sildenafil is a pyrazolopyrimidinone derivative. It belongs to […]
Chemical Structure of Viprogra Viprogra is known for its active ingredient, sildenafil citrate. This compound is crucial for its therapeutic efficacy. Structurally, sildenafil is a pyrazolopyrimidinone derivative. It belongs to […]