Versions of 21 CFR 520.28 - Acetazolamide on LawServer 2024 21 CFR 520.28 – Acetazolamide 2023 21 CFR 520.28 – Acetazolamide 2022 21 CFR 520.28 – Acetazolamide 2021 21 CFR 520.28 – Acetazolamide 2020 21 CFR 520.28 – Acetazolamide 2019 21 CFR 520.28 – Acetazolamide 2016 21 CFR 520.28 – Acetazolamide 2015 21 CFR 520.28 – Acetazolamide 2014 21 CFR 520.28 – Acetazolamide sodium soluble powder