Splendidine

Formula :
CAS : 68353-25-3 

Isolated from Houttynia cordata.

Splenopentin

Formula : C31-H51-N9-O9
CAS : 75957-60-7 

See also BCH 069 which is a modified pentapeptide from splenin.

Splitomicin

Formula : C13-H10-O2
CAS : 4707-36-2 

Inhibits the NAD-dependent histone deacetylase Sir2.