JP2536032B

A compound of the formula : wherein R is aryl optionally substituted with a substituent selected from the group consisting of halogen and halo(lower)alkyl; lower alkyl or cyclo(lower)alkyl; and R is hydrogen or lower alkyl, or R and R are taken together with the attached nitrogen atom to form a hete...

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Hauptverfasser: NEYA MASAHIRO, HASHIMOTO SHINJI, HENMI KEIJI, IMAI KEISUKE, KAYAKIRI NATSUKO
Format: Patent
Sprache:eng
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Zusammenfassung:A compound of the formula : wherein R is aryl optionally substituted with a substituent selected from the group consisting of halogen and halo(lower)alkyl; lower alkyl or cyclo(lower)alkyl; and R is hydrogen or lower alkyl, or R and R are taken together with the attached nitrogen atom to form a heterocylic group optionally substituted with a substituent selected from the group consisting of lower alkyl and esterified carboxy, R is hydrogen or lower alkyl, and R is lower alkyl, and its pharmaceutically acceptable salt, a process for the preparation thereof and pharmaceutical composition comprising the same