abstract |
A metal-containing indoaniline compound having the formula: ##STR1## wherein M is a metal atom selected from the group consisting of Ni, Cu or Co, R 1 is a hydrogen atom, a halogen atom or a methyl group, n is 1 or 2, X is a hydrogen atom or a lower alkyl group, each of R 2 and R 3 is a lower alkyl group, and Z - is an anion. |