4-[(Z)-4-Methoxy-phenylimino]-2-thioxo-1,3-diaza-spiro[4.5]decane-1-carbothioic acid S-(2-nitro-phenyl) ester
4-[(Z)-4-Methoxy-phenylimino]-2-thioxo-1,3-diaza-spiro[4.5]decane-1-carbothioic acid S-(4-chloro-phenyl) ester
3-(4-Methoxy-phenyl)-1,3-diaza-spiro[4.5]dec-1-en-4-one