4-((Pivaloyl-L-isoleucyl)amino)benzoic acid ethyl ester 4-((Pivaloylisoleucyl)amino)benzoic acid ethyl ester 59973-57-8 Benzoic acid, 4-((2-((2,2-dimethyl-1-oxopropyl)amino)-4-methyl-1-oxopentyl)amino)-, ethyl ester, (S)- Peptide juvenoid T-340 T 340 T-340