Red-orange crystalline powder, an antibiotic used to treat traveler's diarrhea, irritable bowel syndrome and hepatic encephalopathy.
Fine or granular red powder, an active ingredient used to treat tuberculosis, travelers' diarrhea.
Amorphous red-purple powder, an active ingredient used to treat tuberculosis, Helicobacter pylori and the mycobacterium avium complex.
Red to brownish-red crystalline powder, an active ingredient used to treat tuberculosis.
Dark red to reddish-brown crystalline powder, an antibiotic used to treat tuberculosis.
White crystalline powder and active ingcredient for the treatment of tuberculosis.