Synonyms: NaphthomycinA, 2-demethyl-, (4E,6Z)-; 3,31-Methano-1H-4-benzazacyclononacosine,naphthomycin A deriv.;3,31-Methano-1H-4-benzazacyclononacosine-1,5,15,27,32(4H,12H,18H)-pentone,2-chloro-13,14,19,22,23,24-hexahydro-13,19,23,28-tetrahydroxy-12,16,22,24,26,29-hexamethyl-,[12S-(6Z,8E,10Z,12R*,13R*,16E,19R*,20E,22R*,23R*,24R*,25E)]-; Naphthomycin B