申请人:Lilly Industries Limited
公开号:US05484935A1
公开(公告)日:1996-01-16
Pharmaceutical compounds of the formula ##STR1## in which R.sup.1 and R.sup.3 are each C.sub.1-4 alkyl or C.sub.1-4 alkyl-carbonyl, and R.sup.2 is carboxy, tetrazolyl, C.sub.1-4 alkyl-sulphonamido or --CR.sup.4 R.sup.5 CO.sub.2 H where R.sup.4 and R.sup.5 are each hydrogen or C.sub.1-4 alkyl; provided that when R.sup.1 and R.sup.3 are both methyl and when R.sup.1 and R.sup.3 are both methylcarbonyl, R.sup.2 is not carboxy; and salts and esters thereof.
化学物质的化学式为##STR1##其中R.sup.1和R.sup.3分别为C.sub.1-4烷基或C.sub.1-4烷基-羰基,R.sup.2为羧基、四唑基、C.sub.1-4烷基-磺酰胺基或--CR.sup.4R.sup.5CO.sub.2H,其中R.sup.4和R.sup.5分别为氢或C.sub.1-4烷基;但当R.sup.1和R.sup.3均为甲基且R.sup.1和R.sup.3均为甲基羰基时,R.sup.2不是羧基;以及其盐和酯。