1 E6W 2-bromanyl-3-phenyl-1~{H}-pyrrolo[3,4-G]indol-8-one 1.000 2 E6Q 3-phenyl-1~{H}-pyrrolo[3,4-G]indol-8-one 0.950 3 E6T 3-(3-hydroxyphenyl)-1~{H}-pyrrolo[3,4-G]indol-8-one 0.905