1	U49	(20s)-19,20,21,22-tetrahydro-19-oxo-5h-18,20-ethano-12,14-etheno-6,10-metheno-18h-benz[D]imidazo[4,3-k][1,6,9,12]oxatri aza-cyclooctadecosine-9-carbonitrile	1.000
2	U66	(20s)-19,20,22,23-tetrahydro-19-oxo-5h,21h-18,20-ethano-12,14-etheno-6,10-methenobenz[D]imidazo[4,3-L][1,6,9,13]oxatria zacyclonoadecosine-9-carbonitrile	0.914