1 BL6 (3as)-3a-hydroxy-7-methyl-1-phenyl-1,2,3,3a-tetrahydro-4h-pyrrolo[2,3-B]quinolin-4-one 1.000 2 BL7 (3as)-3a-hydroxy-1-phenyl-1,2,3,3a-tetrahydro-4h-pyrrolo[2,3-B]quinolin-4-one 0.955 3 BIT (-)-1-phenyl-1,2,3,4-tetrahydro-4-hydroxypyrrolo[2,3-B]-7-methylquinolin-4-one 0.913 4 BL4 (3as)-3a-hydroxy-5-methyl-1-phenyl-1,2,3,3a-tetrahydro-4h-pyrrolo[2,3-B]quinolin-4-one 0.913