1',1'-Bis(L-threo-alpha,beta-diaminobutyric acid)actinomycin D 2-Amino-4,6-dimethylphenoxazinone(3)-1,9-bis(carbonyl-L-threo-alpha,beta-diaminobutyryl-D-valyl-L-prolylsarcosyl-N-methylvalyl (N(beta)-diaminobutyric acid)lactam) 37590-79-7 Actinomycin D lactam Actinomycinodioic D acid, 1(sup A)-(L-threo-2,3-diaminobutanoic acid)-1(sup B)-(L-threo-2,3-diaminobutanoic acid)-, cyclic (5(sup A)-1(sup A)),(5(sup B)-1(sup B))-dipeptide BRN 5387610