Pill Identification by Imprints: PFIZER 541 Home Pill Identification by Imprints: PFIZER 541 1 result VISTARIL 25 MG CAPSULE Side 1: VISTARIL Color: Light Green Side 2: PFIZER 541 Shape: Oblong Other Popular Drug Imprint AA 12 Z12 CL 44 L 5 U26 A 51 447 446 logo and KA IT 68 West- ward M1 HP 10 DISTA 3104 MUTUAL 274 R0.5 AAT 054 IP 140 EL510 MYLAN 1560 2469 OP 35 038 BP 631 13 31 ML 042 S591 W 787 311 AV D1 or D2 or D3 or P2 54 273 W961 E 882 W28 60 97 P 40 54 746 AI LC 450 RI6