Thiadiazoline derivative

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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C514S363000

Reexamination Certificate

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07425636

ABSTRACT:
(wherein R1and R4are the same or different and each represents a hydrogen atom, substituted or unsubstituted lower alkyl, substituted or unsubstituted lower alkynyl, substituted or unsubstituted lower alkenyl, or the like; R5represents a substituted or unsubstituted heterocyclic group, substituted or unsubstituted aryl, or the like; R2represents —C(═W)R6or the like; R3represents a hydrogen atom, —C(═WA)R6A, or the like)Antitumor agents which comprises a thiadiazoline derivative represented by the aforementioned general formula (I) or a pharmacologically acceptable salt thereof as an active ingredient are provided.

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