RFH rfh (1E,3S,4R,5S,6R,7R,8R,9S,10S,11E,13E)-15-amino-1-{[(2S)-5,7-dihydroxy-2,4-dimethyl-8-{(E)-[(4-methylpiperazin-1-yl)imino]methyl}-1,6,9-trioxo-1,2,6,9-tetrahydronaphtho[2,1-b]furan-2-yl]oxy}-7,9-dihydroxy-3-methoxy-4,6,8,10,14-pentamethyl-15-oxopentadeca-1,11,13-trien-5-yl acetate RFH