3-({[5-(2-piperidin-4-ylethyl)thieno[2,3-b]thiophen-2-yl]carbonyl}amino)-N-(pyridin-3-ylsulfonyl)-D-alanine
3-({[5-(2-piperidin-4-ylethyl)thieno[2,3-b]thiophen-2-yl]carbonyl}amino)-n-(pyridin-3-ylsulfonyl)-d-alanine