(S, S) -BD-AcAc 2

(S, S) -BD-AcAc 2 ((S, S) -Ketone Ester), an (S, S) -enantiomer of BD-AcAc 2, increases AcAc and acetone levels, inducing sustained ketosis and significantly delaying seizures associated with central nervous system oxygen toxicity (CNS-OT) .