MCS appears in 2 plasmids under 1 name.
MCS
pKG352: pLenti-hPGK-H2B-iRFP670-WPRE pKG351: pLentiPGK Hygro DEST H2B-mRuby2
pKG352: pLenti-hPGK-H2B-iRFP670-WPRE
pKG351: pLentiPGK Hygro DEST H2B-mRuby2