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 C182 b 974 L 20 logo and 123 M D54 ORAP 1 G8 Y03 WPI 3630 E223 K 6 RF 28 MP 71 M211 D 50 GX EX1 970 logo and 2892 NF0 E1 CP 419 UCB 580 J 247 906 17 S8 B911 537 9 5 2 9 ND2 637 U26 WRF 2 B384 IP 194 IP204 logo and 325 m 100 M T11