Pill Identification by Imprints: 1423 Home Pill Identification by Imprints: 1423 1 result METHYLPHENIDATE ER 10 MG TAB Side 1: 1423 Color: White Side 2: M Shape: Round Other Popular Drug Imprint 131 128 P 50 44 531 WPI 9 V268 I63 54 552 736 540 G455 MP 178 BN2 APO TI-4 Pepto Bismol 397 802 E 404 6 0 331 R-264 I 36 7663 0031 V H108 A96 ACN 8 logo and 4405 MYLAN 5300 MUTUAL 900 0.75 logo and 640 A 17 323 D I I K 27 PFD 267 mg 224 logo and 2839 Z340 40 mg