Exploring 4-Hydroxy ritalinic acid. To explore a different substance…

4-Hydroxy ritalinic acid
(4-Hydroxyphenyl)(piperidin-2-yl)acetic acid
 4384  C13H17NO3  235.279
 InChI=1S/C13H17NO3/c15-10-6-4-9(5-7-10)12(13(16)17)11-3-1-2-8-14-11/h4-7,11-12,14-15H,1-3,8H2,(H,16,17)
 RONUHFNRYTWMCI-UHFFFAOYSA-N This stereoisomer Any stereoisomer
 OC(=O)C(c1ccc(cc1)O)C1CCCCN1