Thiorphan is a thiazoline-based peptidomimetic inhibitor featuring a sulfonamide-linked nitrophenyl ester moiety. Its core structure comprises a five-membered thiazoline ring conjugated to a benzene sulfonamide group, with a para-nitro substituent on the aromatic ring. This compound represents the pharmacophore of the parent drug, optimized for angiotensin-converting enzyme (ACE) inhibition. It serves as an HPLC reference standard for quantitative analysis of ACE inhibitor formulations.
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InChI=1S/C12H15NO3S/c14-11(15)7-13-12(16)10(8-17)6-9-4-2-1-3-5-9/h1-5,10,17H,6-8H2,(H,13,16)(H,14,15)
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