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 K 40 269 NOVO 291 APTALIS 20 953 HYD 100 K106 B2 OV 111 756 EP 136 E 47 G188 WPI 844 M 60 I 22 B 155 ALKA SELTZER PLUS logo and H8 B4 ML 87 D 50 BACTRIM E 139 WATSON 416 ZA-37 2292 Z 4236 C35 or P Ris 0.25 J94 A 50 171 A733 logo and 659 G441 GS LFG U03 T598 Lilly 3231