Figure 1.

Structures of the naturally occurring anthramycin (1), the PBD C8‐conjugates GWL‐78 (2) and KMR‐28–39 (3), and examples of C7/C7′‐linked (4) and C8/C8′‐linked (e.g., DSB‐120, 5 a, n=3 and SJG‐136, 6 a, n=3) PBD Dimers.

Structures of the naturally occurring anthramycin (1), the PBD C8‐conjugates GWL‐78 (2) and KMR‐28–39 (3), and examples of C7/C7′‐linked (4) and C8/C8′‐linked (e.g., DSB‐120, 5 a, n=3 and SJG‐136, 6 a, n=3) PBD Dimers.