Pill Identification by Imprints: AA4 Home Pill Identification by Imprints: AA4 1 result AMLODIPINE-ATORVAST 5-10 MG Side 1: M Color: White Side 2: AA4 Shape: Oval Other Popular Drug Imprint HP 229 1120 S 901 M 3 WPI 867 MYLAN 6201 BRONKAID 54 299 Andrx 720 P24HR CIFEREX 922 AAA 1031 C 745 EC-NAPROSYN U47 AK 160 029 G 1530 FENTANYL 1600 OS 214 E 38 44 679 E T81 ZESTRIL 2 1/2 708 m10 P-D 916 or 624 M 2540 I20 604 EXH 12 barr 20 mg m 200 TV 598 E 101 Z11 148 808 E 84