Pill Identification by Imprints: ALKA SELTZER PLUS Home Pill Identification by Imprints: ALKA SELTZER PLUS 1 result ALKA-SELTZER DAY-NIGHT TAB EFF Side 1: ALKA SELTZER PLUS Color: White Side 2: Shape: Round Other Popular Drug Imprint WPI 3771 44 403 E226 CL50 M E18 B106 VP052 MONODOX 50 UCY 500 COMTAN AAT 052 U 400 54 215 POT 20 VH1 CL 20 MYLAN A3 logo and 833 1507 WELLBUTRIN SR 150 M377 GG 823 G 55 PKC NVR DB03 R 100 WPI 839 93 733 TN 1 RAS 710 25 41 MP 89 CXL 8 NOVAST 93 W 781 C 2 M1000 325/40