Antibiotic A-30912 and process for production thereof

Antibiotic A-32887

Antibiotic A-32887 and process for production thereof

Antibiotic A-35512 and process for production thereof

Antibiotic A-35512 for increasing feed utilization efficiency in

Antibiotic A-35512B aglycone

Antibiotic A-4696

Antibiotic A-4696 factors B.sub.1, B.sub.2, B.sub.3, C.sub.1a, C

Antibiotic A-7413 and process for preparation thereof

Antibiotic A-7413 and process for preparation thereof

Antibiotic A/16686 and process for preparation thereof

Antibiotic A/16686 factor A.sub.2, the process for the preparati

Antibiotic A26201-1 and antibiotic A26201-2 produced by a novel

Antibiotic A42125 and process for its production

Antibiotic A80509

Antibiotic Actinomadura-L-31 A, B

Antibiotic activities from streptosporangium vulgare ATCC 21906

Antibiotic aculeacin-A.alpha., -A.gamma., -D.alpha. and -D.gamma

Antibiotic aculeacins

Antibiotic agents from S. coeruleorubidus, rubidus