192661-37-3Relevant articles and documents
CEPHEM COMPOUNDS
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Page 27, (2010/02/09)
The present invention relates to a compound of the formula [I]: wherein R1 is lower alkyl which may have suitable substituent(s), R2 is amino, protected amino or guanidino, R3 is carboxy or protected carboxy, R4 /sup
Piperazine derivatives as tachykinin antagonists
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, (2008/06/13)
PCT No. PCT/JP96/03641 Sec. 371 Date Jun. 18, 1998 Sec. 102(e) Date Jun. 18, 1998 PCT Filed Dec. 12, 1996 PCT Pub. No. WO97/22597 PCT Pub. Date Jun. 26, 1997