MDA or DDM (4,4 '- diamino diphenyl methane)
Chemical name: 4,4 '- diaminodiphenyl methane
CAS No. :101 -77-9
MW: 198.27
Molecular Formula: C13H14N2
Structure:

MOCA (4,4 '- diamino-3,3' - dichloro-diphenyl methane)
Chemical name: 4,4 '- diamino 3,3' - dichloro-diphenyl methane
CAS No. :101 -14-4
MW: 267.16
Molecular formula: C13H12N2CL2
Structure: