Pill Identification by Imprints: ZA-37 Home Pill Identification by Imprints: ZA-37 3 results VENLAFAXINE HCL ER 150 MG CAP Side 1: ZA-37 Color: Dark Orange Side 2: 150 mg Shape: Oblong VENLAFAXINE HCL ER 150 MG CAP Side 1: ZA-37 Color: Dark Orange Side 2: 150 mg Shape: Oblong VENLAFAXINE HCL ER 150 MG CAP Side 1: ZA-37 Color: Dark Orange Side 2: 150 mg Shape: Oblong Other Popular Drug Imprint S551 CP 331 E 221 517 233 RX652 200 mg ZYLOPRIM 100 A-006 2 R137 E658 SZ Z7 6468 VS 160 63 OP150 NAT 475 120 EXTRA STRENGTH BAYER B 546 AC 108 LCI 1318 B 294 44-226 logo and 4960 S3 or P logo and Pamelor 50 mg MX43 GGD6 S 368 5410 MAX APP 333 3137 N 83 FAMVIR 679 DXL GG