1-Piperazinecarboxylic acid, 4-cycloheptyl-, (2S,3S,4E,6S,7R,10R)-7,10-dihydroxy-2-((1E,3E,5R)-5-hydroxy-6-((2R,3R)-3-((1R,2S)-2-hydroxy-1-methylbutyl)oxiranyl)-1,5-dimethyl-1,3-hexadienyl)-3,7-dimethyl-12-oxooxacyclododec-4-en-6-yl ester
E7107 has been used in trials studying the treatment of Cancer.