Pill Identification by Imprints: BY4 Home Pill Identification by Imprints: BY4 15 results PRIMAQUINE 26.3 MG TABLET Side 1: BY4 Color: Purple Side 2: Shape: Round PRIMAQUINE 26.3 MG TABLET Side 1: BY4 Color: Purple Side 2: Shape: Round PRIMAQUINE 26.3 MG TABLET Side 1: BY4 Color: Purple Side 2: Shape: Round ‹ 1 2 › Other Popular Drug Imprint 056 AP 84 NOVO 288 BMS 300 MG 705 ZC 68 logo and 3 C 25 ECR 86 1 5 0 O E 2469 KU 262 93 3193 BG-12 240 mg CALAN 120 10 mg GG 341 ER K 400 SZ 658 EM3 logo 040 L321 PB CL 77 54 142 .7 2011 MX32 M A5 W 922 R575 U7 or U13 NL 680 5 220 SZ 135 E 63 VANDA 20 MG WPI 9