Pill Identification by Imprints: M451 Home Pill Identification by Imprints: M451 1 result PHENAZOPYRIDINE 200 MG TAB Side 1: M451 Color: Reddish-Brown Side 2: Shape: Round Other Popular Drug Imprint A 349 HP 362 EV0204 35 84 alza 18 logo and 342 93 1060 logo and 2578 BRX 2 M B4 logo and M C 5 SG 322 I62 BP 643 CORGARD 40 8 DCI W G&W ZESTRIL 20 W 50 CT L898 44 546 5 2 1044 K 57 WATSON 235 A25 173 A 50 ADVIL PM MYLAN 1560 MG1 0.5MG AR 788 2232 CEP MP 40 logo and 19