247567-06-2Relevant articles and documents
Anthranilic acid derivatives as inhibitors of the cGMP-phosphodiesterase
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, (2008/06/13)
Compounds of formula (I) STR1where R 1 is hydrogen; R 2 is nitro, cyano or halo(lower)alkyl; R 3 is phenyl substituted with one or more substituents selected from halogen, cyano and lower alkoxy; A is a lower alkylene group; R 4 is a group CR 6 R 7 R 8 wherein R 6 and R 7 form, together with the carbon atom to which they are attached a cycloalkyl group optionally substituted with hydroxy, lower alkoxy or a lower alkanoylamino; and R 8 is hydrogen; its prodrug and a salt thereof.