2,2',2'',2'''-[[2,8,14,20-Tetrakis(4-fluorophenyl)-4,6,10,12,16,18,22,24-octahydroxypentacyclo[19.3.1.1(3,7).1(9,13).1(15,19)]octacosa-1(25),3(28),4,6,9(27),10,12,15(26),16,18,21,23-dodecaene-5,11,17,23-tetrayl]tetrakis(oxy)]tetraacetic acid AIDS-190977 AIDS190977 BC130202A