Synonyms: Pentanoicacid,3-chloro-N-[(2E,5S,6R,7R,8S)-8-chloro-5,7-dihydroxy-6-methyl-1-oxo-8-phenyl-2-octenyl]-O-methyl-D-tyrosyl-(2R)-2-methyl-b-alanyl-2-hydroxy-4-methyl-, (3®15)-lactone, (2S)- (9CI); b-Alanine,N-[3-chloro-N-[8-chloro-7-hydroxy-5-[(2-hydroxy-4-methyl-1-oxopentyl)oxy]-6-methyl-1-oxo-8-phenyl-2-octenyl]-O-methyl-D-tyrosyl]-2-methyl-,x-lactone,[5S-[1(S*),2E,5R*(R*),6S*,7S*,8R*]]-; Cryptophycin 8