1'--L-alanyl>-5'-(ethoxycarbonyl)-7-(aminosulfonyl)-6-chlorospiro-<2H-1,2,4-benzothiadiazine-3(4H),3'-pyrrolidine> S,S-dioxide 生成 (2'S)-6-chloro-1'-[(2S)-2-[[(2S)-1-ethoxy-1-oxo-4-phenylbutan-2-yl]amino]propanoyl]-1,1-dioxo-7-sulfamoylspiro[2,4-dihydro-1λ6,2,4-benzothiadiazine-3,4'-pyrrolidine]-2'-carboxylic acid