23804-59-3 4-Hydroxy-1-phenethyl-4-piperidinecarbonitrile 4-Hydroxy-1-phenethylpiperidine-4-carbonitrile 5-22-05-00027 (Beilstein Handbook Reference) BRN 0477606 EINECS 245-891-9 ISONIPECOTONITRILE, 4-HYDROXY-1-PHENETHYL-