1 XDR Hexyl (5s,6r,8r)-6-hydroxy-5-methyl-13-oxo-5,6,7,8-tetrahydro-13h-5,8-epoxy-4b,8a,14-triazadibenzo[B,H]cycloocta[1,2,3,4-jkl]C yclopenta[E]-as-indacene-6-carboxylate 1.000 2 KSA K-252a 0.875 3 2V9 Lestaurtinib 0.825 4 UCM Rel-(9r,12s)-9,10,11,12-tetrahydro-9,12-epoxy-1h-diindolo[1,2,3-fg:3',2',1'-kl]pyrrolo[3,4-I][1,6]benzodiazocine-1,3(2h)-dione 0.707