Pill Identification by Imprints: OS 301 Home Pill Identification by Imprints: OS 301 4 results VENLAFAXINE HCL ER 37.5 MG TAB Side 1: OS 301 Color: White Side 2: Shape: Round VENLAFAXINE HCL ER 37.5 MG TAB Side 1: OS 301 Color: White Side 2: Shape: Round VENLAFAXINE HCL ER 37.5 MG TAB Side 1: OS 301 Color: White Side 2: Shape: Round VENLAFAXINE HCL ER 37.5 MG TAB Side 1: OS 301 Color: White Side 2: Shape: Round Other Popular Drug Imprint 40 2084 V 2632 HP 1 M RN3 ZA20 C171 C 54 WAT SON MRK ML 33 I10 74 ZE 720 1/2 L5 M 134 253 0 8 I 64 KPI 117 627 93 9133 18 58 77 FR MF 3 bull symbol M 1860 51A 027 62 C324 500 E 211 738 HP 148 1462 L429 H 3 EP 25 W 787