SKQ-1 bromide

Formula : C36-H42-O2-P.Br
CAS : 934826-68-3 

An ophthalmic solution containing SkQ1, benzalkonium chloride, methylcellulose, sodium chloride, sodium dihydrophosphate, and sodium hydrogen phosphate decahydrate.

Skullcapflavone II

Formula : C19-H18-O8
CAS : 55084-08-07 

Cytotoxic principle from Scutellariae radix.

Skydrol

Formula :
CAS : 95660-51-8 

Skydrol 500B-4 fire resistant hydraulic fluid, a proprietary phosphate ester mixture composed principally of dibutyl phenyl phosphate (DBPP) and tributyl phosphate (TBP) and used as a commercial airline hydraulic fluid ...