| 摘要 |
A pressure-sensitive or heat-sensitive recording material which contains as color former in its color-forming system at least one substituted tris-aminophenylmethane compound of the general formula <IMAGE> (1) wherein R1 and R2, each independently of the other, represent hydrogen, lower alkyl, benzyl or phenyl, and the rings A,B,D and E, each independently of the other, are unsubstituted or substituted by halogen, nitro, trifluoromethyl, lower alkyl, lower alkoxy or lower alkoxycarbonyl. |
