Half a female rap duo

• Hip-hoppers Salt-N- ---
• Part of a hip-hop trio name
• Salt's partner, in old hip-hop
• Salt's hip-hop partner
• DJ Spinderella collaborator
• Sandra Denton, in hip-hop's "Whatta Man" trio
• Pop music's Salt-N-___
• Hip-hop duo Salt-N-___
• Hip-hop's Sandra Denton, familiarly

Wikipedia Word definitions in Wikipedia
PEPA is an ampakine drug which acts as an allosteric potentiator of AMPA receptor desensitisation, which is up to 100x more potent than aniracetam in vitro . It produces memory-enhancing effects in rats when administered intravenously.