(1aS,3aR,6bR)-5-(5-methyl-1,3,4-thiadiazol-2-ylsulphanyl)-1-oxo-1a,2,3,3a,4,6b-hexahydro-1H-2,6a-diazacyclobut[cd]indene-6-carboxylic acid trifluoroacetate                                                                                                                                                                                                                                                                                                          生成                                                 
(1aS,3aR,6bR)-2-Acetyl-5-(5-methyl-1,3,4-thiadiazol-2-ylsulphanyl)-1-oxo-1a,2,3,3a,4,6b-hexahydro-1H-2,6a-diazacyclobut[cd]indene-6-carboxylic acid sodium salt