D-Tryptophan, N-((5-(2-(4-methylphenyl)ethynyl)-2-thienyl)sulfonyl)-
MMP Inhibitor S-3304 is an orally-agent agent with potential antineoplastic activity.  S-3304 inhibits matrix metalloproteinases (MMPs), thereby inducing extracellular matrix degradation, and inhibiting angiogenesis, tumor growth and invasion, and metastasis. (NCI04)