| abstract |
1. The compound of formula (I) or its salt, where R is lower alkyl, cycloalkyl, —O-lower alkyl, halogen-lower alkyl, lower alkylene-cycloalkyl or lower alkylene-O-lower alkyl; R — C (O) R, —C ( O) NRR, lower alkylene-R, lower alkylene-NRR, lower alkylene-NRC (O) R, lower alkylene-OR, -NRC (O) R, -NRC (O) OR, -NRC (O) NRR, - NRS (O) R or —NRS (O) NRR; W —CH—, —NR—, —O— or —S (O) -; Ralkyl; Alkylene; Alkynyl; halogen-C1-6alkyl; C1-6alkyl substituted with 1-5 groups selected from group G; R; -Alkylene-R; -Salkylene-O-R; -Alkylene-O-lower alkylene-R; -Salkylene-S (O) -R; —X — C (R) (phenyl) or —CH (phenyl) —CH (OH) phenyl; where Calkylene may contain from 1 to 5 substituents selected from group G; or W and R, combined with each other, are are R identical or different from each other, each representing H or lower alkyl; a nitrogen-containing saturated heterocyclic group which may contain from 1 to 5 substituents selected from group G; R lower alkyl, halogen lower alkyl, lower alkylene-OR, lower alkylene-O-lower alkylene-OR, lower alkylene-O-halogen-lower alkyl or -X-Cycloalkyl, lower alkylene -O-Cycloalkyl, -X-Cycloalkenyl, lower alkylene-O-Cycloalkenyl, -X-aryl, lower alkylene-O-X-aryl, lower alkylene-S (O) -aryl, -X-heterocyclic group, lower alkylene- OX-heterocyclic group or lower alkylene-S (O) is a heterocyclic group, each of which may contain from 1 to 5 substituents selected from the group G in the ring; RН, lower alkyl or lower alkylene-OR, Rcycloalkyl, Cycloalkenyl, aryl or a heterocyclic group; where R may contain from 1 to 5 substituents selected from group G; R are identical or different from each other, while dy represents lower alkyl, halogen, -O-lower alkyl, halo-audio |