Synonyms: 1H,25H-Tripyrrolo[2,1-c:2',1'-u:2'',1''-x][1,4,7,10,13,16,19,22,25,28,31]undecaazacyclotetratriacontine,scytonemin A deriv.; Cyclo(2,5,9-trihydroxy-10-phenyl-3-aminodecanoyl-D-serylglycyl-(2a,3b,4b)-4-hydroxy-3-methyl-L-prolyl-(2a,3b,4b)-4-hydroxy-3-methyl-L-prolyl-D-leucyl-L-homoseryl-D-phenylalanylglycyl-threo-3-hydroxy-D-leucyl-trans-3-methyl-L-prolyl),15-ester with N-acetyl-L-alanine