Clarification of the Transmission Chain to Amr Ibn sa'id Al-Sabati

And whatever is narrated from Amr ibn Sa'id Al-Sabati, I have narrated it from Ahmad ibn Muhammad ibn Yahya Al-Attar - may Allah سبحانه وتعالى be pleased with him - from Sa'd ibn 'Abdullah, from Ahmad ibn Al-Hasan ibn 'Ali ibn Faddal, from Amr ibn Sa'id Al-Sabati.