among the known non-narcotic , non-steroidal anti-inflammatory compounds suprofen appeared to be the most potent antagonist of acetic acid-induced writhing in rats , about 200 to 300 times as potent as acetyl-salicylic acid and phenylbutazone , 15 to 30 times as potent as indometacin and tolmetin , and about 6 times as potent as ketoprofen .
C2916905
non
C0040377
tolmetin