(1-Propyl-1,3,4,9-tetrahydropyrano[3,4-b]indol-1-yl)acetic acid 1,3,4, {9-Tetrahydro-1-propylpyrano[3,4-b]indole-1-acetic} acid 36505-82-5 AIDS-128817 AIDS128817 AY-23,289 NSC299133 Prodolic acid {Pyrano[3,4-b]indole-1-acetic} acid, 1,3,4,9-tetrahydro-1-propyl-