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(2007/10/02)4-[(Z)-Phenylimino]-2-thioxo-1,3-diaza-spiro[4.5]decane-1-carbothioic acid S-(2-nitro-phenyl) ester
4-[(Z)-Phenylimino]-2-thioxo-1,3-diaza-spiro[4.5]decane-1-carbothioic acid S-(4-chloro-phenyl) ester
4-[(Z)-Phenylimino]-2-thioxo-1,3-diaza-spiro[4.5]decane-1-carbothioic acid S-p-tolyl ester
3-Phenyl-1,3-diaza-spiro[4.5]dec-1-en-4-one
1-Methyleneamino-cyclohexanecarboxylic acid phenylamide