Pill Identification by Imprints: M RN4 Home Pill Identification by Imprints: M RN4 0 results Nothing Found!!! Other Popular Drug Imprint D2 BMS 200mg AA 71 K 2 812 M 75 32 WPI 3385 P 80 A21 NALFON 400 mg UPSHER-SMITH 0101 M 23 FS3 62.5 X502 137 ZC56 PROCARDIA XL 90 HP 62 54 357 G12 US 10 L344 713 barr 250 mg AN 2 A87 logo and 477 n30 RP105 BUMEX 1 IMITREX 921 GG 21 L429 4940 WELLBUTRIN XL 300 159 CL 12.5