Pill Identification by Imprints: K 401 Home Pill Identification by Imprints: K 401 2 results GLYCOPYRROLATE 2 MG TABLET Side 1: K 401 Color: White Side 2: Shape: Round GLYCOPYRROLATE 2 MG TABLET Side 1: K 401 Color: White Side 2: Shape: Round Other Popular Drug Imprint P24HR U23 4994 S553 M F6 HLP 40 H 604 347 KU 262 A68 FAM125 CT 1 M D5 11 10 T31 336 RENAGEL 800 AN 617 117 SG 325 G 2002 V 24 N008 7033 L 3 P 657 ZC 59 DYRENIUM 50 mg ZE 71 K 66 MYLAN FE 200 54 515 NL 712 INT 93 948 CDT 254 ORAP 1 VIBRA 10 XL 166