Alkylaminoalkylpyrrolidinylthiocarbapenem derivatives

摘要

A compound of the formula: <IMAGE> (I) wherein R1 is a hydrogen atom or a methyl group, R2 is a hydrogen atom or a negative charge, X is a group of -N(R3)R4 (wherein R3 is a lower alkyl group, and R4 is a hydrogen atom or a lower alkyl group) or a group of -N+(R5)(R6)R7 (wherein each of R5, R6 and R7 which may be the same or different, is a lower alkyl group), and n is an integer of from 2 to 4; or a pharmaceutically acceptable salt or ester thereof.