Pill Identification by Imprints: R428 Home Pill Identification by Imprints: R428 2 results LAMOTRIGINE ER 300 MG TABLET Side 1: R428 Color: Gray Side 2: Shape: Oblong LAMOTRIGINE ER 300 MG TABLET Side 1: R428 Color: Gray Side 2: Shape: Oblong Other Popular Drug Imprint WATSON 235 U15 645 logo and 577 IP 220 R 4 257 ZE 71 399 barr 323 M 137 IL 3581 AZ5 SZ 465 MP 658 cardizem CD 180 mg A733 V401 VGR 25 GG 260 VIP101 WPI 3739 RAS G230 C4 I85 P-D 007 OV A CJ L189 CMC 176 SA 25 2102 K3 C 13 CF CL 77 M 1745 L115 Kaopectate