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 2 mg NP 13 G12 8 mg Endo 602 HP 174 logo 152 M RN1 P-113 logo and 3090 MX 16 E 17 247 G 12 A20 T 5 SZ 658 2 53 MYLAN 3422 W962 D D ER 4 PREMARIN 0.9 MYLAN 184 461 80 mg or 462 125 mg u50 logo and 2890 94 ZA19 OP 35 GXL 5 MP 40 C 745 logo and 122 R789 CA CL 83 #L 001 WC 731 PRINIVIL