Pill Identification by Imprints: OBX Home Pill Identification by Imprints: OBX 2 results OBSTETRIX EC CAPLET Side 1: OBX Color: Yellow Side 2: Shape: Oval OBTREX DHA PRENATAL VITAMIN Side 1: OBX Color: Multi-Color (2) Side 2: Shape: Oval Other Popular Drug Imprint NP 2 4825 WW 64 EC logo and 324 WATSON 795 Z320 20 mg ZC19 SZ 135 CXL 4 F22 KU 107 10 VALIUM GG 505 HMP 1311 logo 355 CL 84 M 1743 N U 135 4442 2631 GSK Coreg CR KU 487 E 139 460 R719 TYLENOL 4 CODEINE 44-393 M 31 FENTANYL 400 MCG LL255 I 07 OS 304 ASC 116 658 G 55 F 1 711