申请人:Foster Clive Edwin
公开号:US20110200800A1
公开(公告)日:2011-08-18
A compound of Formula (1) or a salt thereof:
wherein:
X is N or C(CN);
Z is optionally substituted naphthyl; and
Ar is an aryl group carrying at least one nitro substituent and optionally one or more further substituents.
Also compositions, inks, printing processes, printed material and ink-jet cartridges.