(S,S,S)-1-(3-methyl-10,11,12,13-tetrahydrodipyrido[3,2-a:2',3'-c]phenazine)-4,7,10-tris[N-(1-phenylethyl)carbamoylmethyl]-1,4,7,10-tetraazacyclododecane

1-(3-methyl-10,11,12,13-tetrahydrodipyrido[3,2-a:2',3'-c]phenazine)-4,7,10-tris(N-acetyl-L-alanine ethyl ester)-1,4,7,10-tetraazacyclododecane

1-(3-methyl-10,11,12,13-tetrahydrodipyrido[3,2-a:2',3'-c]phenazine)-4,7,10-tris(N-acetyl-L-glutamic acid diethyl ester)-1,4,7,10-tetraazacyclododecane

7-(chloromethyl)dipyrido[3,2-f:2',3'-h]quinoxaline