Pill Identification by Imprints: SL 456 Home Pill Identification by Imprints: SL 456 1 result OXYBUTYNIN 5 MG TABLET Side 1: SL 456 Color: Pale Blue Side 2: Shape: Round Other Popular Drug Imprint SLC 221 ZE 72 C 735 ZC 79 261 W 785 44 392 NC 300 299 M 48 M 41 0374 WPI 3771 S 10 Z350 50 mg W 150 FELBATOL 400 EMBEDA E 103 G74 287 RX905 A 31 logo and 502 RX121 V01 M MN1 LILLY 4116 AA 72 BL C 14 5 mg PE 669 E3 or E6 54 215 TRICARE DHA 401 RX 773 626 54 352 E 50