3.
Name: 1,4-Benzenedicarboxaldehyde, polymer with benzeneamine and 2-methylbenzeneamine, maleated
CAS: 129217-90-9



4.
Name: Spiro[cyclohexane-1,1'(2'H)-cyclopenta[ij][1,3]- dioxolo[4,5-g]isoquinolin]-4-ol,2'a,3',4',5'- tetrahydro-,(1R,2'aR,4R)-
CAS: 91177-60-5


