There are no listings for an orange pill with L077 on one side however Cefprozil is orange, and oval with the imprint of 1077. Could this be what your are looking for?
Cefprozil, sometimes spelled cefproxil and marketed under the trade name Cefzil, is a second-generation cephalosporin type antibiotic. In Europe it is marketed using the trade names Procef and Cronocef.]citation needed[ It can be used to treat bronchitis, ear infections, skin infections, and other bacterial infections.]citation needed[ It comes as a tablet and as a liquid suspension. Phenols