... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > pnictogen molecular entity > phosphorus molecular entity > tetraphenylphosphonium

... > chemical entity > molecular entity > polyatomic entity > polyatomic ion > polyatomic cation > tetraphenylphosphonium

... > chemical entity > molecular entity > ion > polyatomic ion > polyatomic cation > tetraphenylphosphonium

... > chemical entity > molecular entity > ion > cation > polyatomic cation > tetraphenylphosphonium

... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > carbon group molecular entity > organic molecular entity > heteroorganic entity > tetraphenylphosphonium