Synonyms: 3H-6,10-Metheno-12,18-[1]propyn[1]yl[3]ylidene-18H-azirino[2,1-h]cyclopent[c][1,9]oxaazacycloheptadecin-3-one,22-chloro-16,17-didehydro-12a-[[4-[(2-hydroxy-3,6-dimethylbenzoyl)amino]-3-C-methyl-b-D-ribopyranosyl]oxy]-1,4,5,12,12a,13,14,18a-octahydro-5,13-dihydroxy-9-methoxy-,[5S-(5R*,12R*,12aS*,13R*,18E,18aS*)]-; Maduropeptin chromophore