Acivicin
AT 125, Antibiotic AT 125, NSC 163501, U 42126
Aclarubicin
Aclacinomycin A, Aclacur, Antibiotic 3082A, Antibiotic 77-3082A, Antibiotic MA 144A1, Jaclacin, NSC 208734
Actinonin
Actinonine, (-)-Actinonin, CONA 57, Ro 06-1467
Atranorin
Atranorine, NSC 249980, NSC 685591, NSC 87512, Parmelin, Parmelin acid, Usnarin, Usnarin acid
Artemisin
(+)-Arteannuin, (+)-Artemisinin, (+)-Qinghaosu, Arteannuin, Artemef, Artemisine, Artemisinine, HC 101A, Huanghuahaosu, NSC 369397, QHS, Qing Hau Sau, Qing Hau Su, Qinghaosu, Qinghosu
Ansamitocin P3
Ansamitosin P 3, Antibiotic C 15003P3, Maytansinol isobutyrate, NSC 292222
Aselacin C
19-O-Acetylchaetoglobosin A
Chaetoglobosin A acetate, Chaetoglobosin A monoacetate
Acremin F
Acremine F