(2S,16Z,18E,20S,21S,22R,23R,24R,25S,26R,27S,28E)-5,12,21,23-tetrahydroxy-27-methoxy-2,4,16,20,22,24,26-heptamethyl-10-[4-(3-methylbut-2-en-1-yl)piperazin-1-yl]-1,6,15-trioxo-1,2-dihydro-6H,13H-2,7-(epoxypentadeca[1,11,13]trienoazeno)[1]benzofuro[4,5-a]phe
CAS No. 129791-99-7
2,7-(Epoxypentadeca[1,11,13]trienimino)-6H-benzofuro[4,5-a]phenoxazine,rifamycin VIII deriv.