https://www.sigmaaldrich.com/US/en/product/aldrich/328774
Tris(dibenzylideneacetone)dipalladium(0) 97 51364-51-3
97%, powder CAS Number: 51364-51-3; Synonyms: Pd2dba3,Pd2(dba)3; Linear Formula: (C6H5CH=CHCOCH=CHC6H5)3Pd2 at Sigma-Aldrich
trisdibenzylideneacetone09751