Synonyms: 2H-Pyran-2-aceticacid, a-ethyl-6-[(1E,3E)-1-ethyl-4-[(3aR,4S,5S,7aS)-2,3,3a,4,5,7a-hexahydro-4-(1H-pyrrol-2-ylcarbonyl)-1H-inden-5-yl]-1,3-butadienyl]tetrahydro-5-methyl-,(aR,2R,5S,6R)- (9CI);2H-Pyran-2-acetic acid, a-ethyl-6-[1-ethyl-4-[2,3,3a,4,5,7a-hexahydro-4-(1H-pyrrol-2-ylcarbonyl)-1H-inden-5-yl]-1,3-butadienyl]tetrahydro-5-methyl-,[3aR-[3aa,4a,5a[1E[2R*(R*),5S*,6R*],3E],7ab]]-; Cafamycin