The present invention provides compounds useful to inhibit tumor growth
and to induce apoptosis. In general, the anti-cancer agents (ACA) are
described by the formula: [ACA].sub.n-X[Formula I] wherein X is a linker
group having 2 5 functional groups or is absent, n=1, and ACA is selected
from the group consisting of Formula II, Formula III, Formula IV, Formula
V, and Formula VI, as described herein. Other compounds described herein
are defined by the Formula VII, as described herein.