Pill Identification by Imprints: PFIZER 431 Home Pill Identification by Imprints: PFIZER 431 2 results MINIPRESS 1 MG CAPSULE Side 1: MINIPRESS Color: White Side 2: PFIZER 431 Shape: Oblong PRAZOSIN 1 MG CAPSULE Side 1: MINIPRESS Color: White Side 2: PFIZER 431 Shape: Oblong Other Popular Drug Imprint 40 E612 5 W 100 S593 770 611 M 93 Phillips' NL WPI 1119 8I M 146 URS785 10 MIA NT6 2631 BP50 or plain 77 Onset M0100 ZYLOPRIM 100 M 30 IP 253 RESPA 177 logo and A2 A-295 KX52 GAB 800 5125 V PFIZER 398 NL 620 Nitro-Dur 0.6 mg/hr 421 logo and 58 V10 1 KLONOPIN 7663 HP 71 54 513 872 logo and 4960