» Penicillin G Benzathine and Penicillin G Procaine Injectable Suspension is a sterile suspension of Penicillin G Benzathine and Penicillin G Procaine or, when labeled for veterinary use only, of Penicillin G Benzathine and penicillin G procaine, in Water for Injection. It may contain one or more suitable buffers, preservatives, and suspending agents. It contains not less than 90.0 percent and not more than 115.0 percent of the labeled amounts of penicillin G benzathine and penicillin G procaine.