A 204
Formula :
CAS :
12750-79-7
Polyether monocarboxylic acid antibiotic; crystalline isolate from fermentation of strain of Streptomyces albus.
A 22700
Formula : C11-H12-Cl2-N2-O
CAS :
60439-52-3
A 23887
Formula : C22-H24-Cl-N
CAS :
61955-05-03
Potentially neuroleptic rigin spiro amine.
A 25822
Formula :
CAS :
55187-53-6
Aza-steroidal antifungal antibiotic complex produced by Geotrichum flavo-brunneum; major component A25822B is 15-aza-24-methylene-D-homocholestadiene; six minor components are structurally related & active against fungi.
A 269A
Formula : C17-H29-N7-O8
CAS :
38621-52-2
Believed to be the same as LL-BL 136; isolated from broth of Streptomyces sp., strain No. A-269A.
A 274
Formula : C19-H14-O2
CAS :
77273-75-7
Highly aromatic, monosubstituted phenol antioxidant generated during differentiation of neuroblastoma cells; partial structure known.