Synonyms: 9,12-Epoxy-1H-diindolo[1,2,3-fg:3',2',1'-kl]pyrrolo[3,4-i][1,6]benzodiazocine-10-carboxylicacid, 2,3,9,10,11,12-hexahydro-10-hydroxy-9-methyl-1-oxo-, methyl ester, [9S-(9a,10b,12a)]-; (+)-Antibiotic K 252a; (+)-Antibiotic SF 2370; (+)-K 252a; (+)-SF2370; Antibiotic K 252a; Antibiotic K 252a, (+)-; Antibiotic SF 2370;Antibiotic SF 2370, (+)-; K 252a; Protein kinase inhibitor K252a; SF 2370