Pill Identification by Imprints: M450 Home Pill Identification by Imprints: M450 1 result PHENAZOPYRIDINE 100 MG TAB Side 1: M450 Color: Reddish-Brown Side 2: Shape: Round Other Popular Drug Imprint 617 FAMVIR 738 R190 APO ZIP 1018 ZONEGRAN 100 OMEPRAZOLE 20mg G80 ESL600 MP 46 FENTANYL 75mcg/h BL 04 4810 2 56 K 400 K 28 DXL 0115 2790 MYLAN 5750 logo and 4444 TO 0200 K 77 M 228 RX 830 143 n 575 N192 PGZ MYLAN 182 par 028 93 293 54 519 LCI 1445 logo and 804 2775 61 logo and YD MJ 756