Neoviridogrisein IV;Etamycin(7CI);N-[N-[N-[N-[cis-4-Hydroxy-1-[N-[N-[(3-hydroxy-2-pyridinyl)carbonyl]-L-threonyl]-D-leucyl]-D-prolyl]-N-methylglycyl]-N,4-dimethyl-L-isoleucyl]-L-alanyl]-N-methyl-L-2-phenylglycineu-lactone; Glycine,N-[N-[N-[N-[cis-4-hydroxy-1-[N-[N-[(3-hydroxy-2-pyridinyl)carbonyl]-L-threonyl]-D-leucyl]-D-prolyl]-N-methylglycyl]-N,4-dimethyl-L-isoleucyl]-L-alanyl]-N-methyl-L-2-phenyl-,u-lactone;Viridogrisein I;1H-Pyrrolo[2,1-o][1,4,7,10,13,16,19]oxahexaazacyclodocosine, cyclic peptidederiv.;Etamycin A (8CI,9CI); Viridogrisein (6CI); 

Etamycin acid methyl ester;N-[(3-Hydroxy-2-pyridinyl)carbonyl]-L-Thr-D-Leu-D-c4Hyp-N-methyl-Gly-N,3-dimethyl-L-Leu-L-Ala-N-methyl-L-phenyl Gly-OMe;n-[(3-hydroxy-2-pyridinyl)carbonyl]-l-thr-d-leu-d-c4hyp-n-methyl-gly-n,3-dimethyl-l-leu-l-ala-n-methyl-l-phenyl gly-ome;