2,7-(Epoxy[1,11,13]pentadecatrienoimino)naphtho[2,1-b]furan-1,6,9,11(2H)-tetrone, 5,17,21-tris(acetyloxy)-19-hydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-, (2S,16S,17S,18S,19R,20R,21S,22R,23S)- AIDS-014451 AIDS014451 NSC244405