Pill Identification by Imprints: PY 1 Home Pill Identification by Imprints: PY 1 2 results PHENAZOPYRIDINE 100 MG TAB Side 1: PY 1 Color: Deep Brown Side 2: Shape: Round PYRIDIUM 100 MG TABLET Side 1: PY 1 Color: Deep Brown Side 2: Shape: Round Other Popular Drug Imprint TL 171 PREVACID 30 or BRISTOL 7279 or KL S DAN 5555 U40 1507 139 TL 216 311 AV CP 332 Prenate CL 75 LH2 C17 BL 302 SLC 221 3972 M 573 WAT SON logo and 2918 M525 Z11 L7 MYLAN MYLAN A4 APO 500 G46 M E16 VP 044 TL 002 FOLET 2 VALIUM R P 54 372 G 240 506 RG87 FOSTEUM 52003 K 29 LCE 150