for the following products
(S)-2-(3-((2-Isopropylthiazol-4-yl)methyl)-3-methylureido)-3-methylbutanoic acid | N-[2-Isopropylthiazol-4-ylmethyl(methyl)carbamoyl]-L-valine | N-[[N-Methyl-N-[(2-isopropyl]-4-thiazolyl)methyl)amino]carbonyl-L-valine carboxylic acid | N-{[N-Methyl-N-[(2-isopropyl-4-thiazolyl) methyl]-N-methyl]amino}carbonyl-L-valine and N-((N-Methyl-N-((2-isopropyl-4-thiazolyl)methyl)amino)carbonyl)-L-valine
