4.
Name: Iron alloy,base,Fe 74-80,Co 7.5-8.5,Mo 5.5-6.1,Cr 3.6-4.2,V 1.8-2.4,W 1-2,C 1,Mn 0-0.5,Ni 0-0.5,Si 0-0.5 (R2F2K8M6)
CAS: 39476-95-4



5.
Name: 4,6-Ethenocyclopropa[3,4]cyclobut[1,2-f]- isoindole-1,3(2H,4H)-dione,3a,4a,4b,5,5a,5b,6,- 6a-octahydro-
CAS: 23601-21-0


