62587-50-2 | dimethyl (2E,4E)-1-{2-[4-(bromomethyl)-1,3-dioxolan-2-yl]ethyl}-1,6,7,8-tetrahydroazocine-3,4-dicarboxylate | C17H24 Br N O6 |
62587-73-9 | (6R,7R)-3-[(4-Carbamoylpyridin-1-ium-1-yl)methyl]-8-oxo-7-[[(2R)-2-phenyl-2-sulfoacetyl]amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate | C22H20 N4 O8 S2 |