5,28:14,19-Diimino-7,12:26,21-dinitrilotetrapyrazino[2,3-c:2',3'-h:2'',3''-m:2''',3'''-r][1,6,11,16]tetraazacycloeicosine(8CI); Tetrapyrazino[2,3-b:2',3'-g:2'',3''-l:2''',3'''-q]porphyrazine;Tetrapyrazinoporphyrazine
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