9,4-(Epoxy[1,11,13]pentadecatrienoimino)-3H-furo[2',3':7,8]naphtho[1,2-d]imidazole-10,26(9H)-dione, 16-(acetyloxy)-2-[bis(2-ethoxyethyl)amino]-5,6,18,20-tetrahydroxy-14-methoxy-7,9,15,17,19,21,25-heptamethyl-, (9S,14S,15R,16S,17R,18R,19R,20S,21S)- AIDS-113767 AIDS113767