129791-98-6

(2S,16Z,18E,20S,21S,22R,23R,24R,25S,26R,27S,28E)-10-[4-(but-3-en-1-yl)piperazin-1-yl]-5,12,21,23-tetrahydroxy-27-methoxy-2,4,16,20,22,24,26-heptamethyl-1,6,15-trioxo-1,2-dihydro-6H,13H-2,7-(epoxypentadeca[1,11,13]trienoazeno)[1]benzofuro[4,5-a]phenoxazin-