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 TV 10 R 128 B 4 44 291 DAN 5535 WW 455 C148 GAVISCON 1175 MYLAN 4070 MYLAN 1570 954 1253 Nitroglycerin 0.4 mg/hr 905 256 Z 3927 UHE H568 L59 25 #L 001 PLETAL 100 2105 V I 24 MYLAN 335 I 10 G 6 CPC 997 L490 Onset M075 S592 M2A3 57344 54 251 BVF 300 logo and 12 RP 700 G00 A~ 080 PLETAL 50