| | (E)-1,2-BIS(1-NAPHTHYL)-1,2-BIS(1,1,3,3,5,5,7,7-OCTAETHYL-1,2,3,5,6,7-HEXAHYDRO-S-INDACEN-4-YL)DISILENE; 70% CAS:1620487-87-7 AB474046 (E)-1,2-BIS(2-NAPHTHYL)-1,2-BIS(1,1,3,3,5,5,7,7-OCTAETHYL-1,2,3,5,6,7-HEXAHYDRO-S-INDACEN-4-YL)DISILENE; 97% CAS:1253900-41-2 AB474047 |