AIDS-156326 AIDS156326 Fredericamycin, potassium salt NSC601617 (POTASSIUM SALT) Spiro[2H-benz[f]indene-2, 8'-[8H]cyclopent[g]isoquinoline]- 1,1',3,5,8-pentone, 2', 6'-dihydro-4,9,9'-trihydroxy- 7-methoxy-3'-(penta-1,3-dienyl)-, tripotassium salt {Spiro[2H-benz[f]indene-2,} {8'-[8H]cyclopent[g]isoquinoline]-} 1,1',3,5,8-pentone, 2', 6'-dihydro-4,9,9'-trihydroxy- 7-methoxy-3'-(penta-1,3-dienyl)-, tripotassium salt