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 1081 AF 253 FLECTOR PATCH N010 ANAFRANIL 25 mg L U M P4 A 13 4942 CORGARD 80 L236 cor 238 logo and 832 122 PV20 logo and 21 WELLBUTRIN SR 100 V221 E 262 C 14 MP 445 A 17 M CL1 U ALG 264 UCB 500XR 229 229 54 111 ALTACE 54 343 CLOM 50 NTBC 10 mg logo and 069 LCE 200 975 E 111 4833X 93 657 V264