| abstract |
PCT No. PCT/JP96/00949 Sec. 371 Date Oct. 21, 1997 Sec. 102(e) Date Oct. 21, 1997 PCT Filed Apr. 8, 1996 PCT Pub. No. WO96/33212 PCT Pub. Date Oct. 24, 1996This invention relates to peptide derivatives of the formula <IMAGE> or salts thereof, wherein: (a) Q1 represents a 1-dimethylamino-2-methylpropyl group and Q2 represents an (R)- or (S)-2-hydroxy-2-phenylethylamino group, a 2-phenylcyclopropylamino group or a 1,2,3,4-tetrahydroisoquinolin-2-yl group, or (b) Q1 represents a 1-methyl-2-pyrrolidinyl group and Q2 represents <IMAGE> |