Meropenem trihydrate119478-56-7100 % similar Meropenem96036-03-295 % similar Doripenem hydrate364622-82-267 % similar Doripenem148016-81-363 % similar Ertapenem153832-46-360 % similar Tebipenem161715-21-553 % similar Ertapenem sodium153773-82-148 % similar Biapenem120410-24-440 % similar Faropenem106560-14-939 % similar Imipenem monohydrate74431-23-538 % similar Tebipenem pivoxil161715-24-836 % similar Panipenem87726-17-835 % similar Thienamycin59995-64-135 % similar Imipenem64221-86-934 % similar