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 DDS 080 1462 CL 72 NT 200 E 144 54 293 293 SG 174 logo and 201 S553 ZE 43 WATSON 343 T P nitroglycerin 0.4mg/hr 861 RENAGEL 800 M 4 U24 E 27 TL 707 alza 54 MYLAN TE 4 R 7.5 U29 J 245 A06 HMP Q150 7P5 ZA-37 E 511 V265 EV0093 E 16 DAN 150 I40 U 88 MP 160 928 SB