1 WY4 7-(5,6-dihydro-8h-imidazo[2,1-C][1,4]oxazin-2-yl)-6-formyl-2,7-dihydro- [1,4]thiazepine-3-carboxylic acid 1.000 2 WY2 (6,7-dihydro-5h-cyclopenta[D]imidazo[2,1-B]thiazol-2-yl]-4,7-dihydro[1,4]thiazepine-3,6-dicarboxylic acid 0.731