Pill Identification by Imprints: 381 b Home Pill Identification by Imprints: 381 b 1 result MEPERIDINE 50 MG TABLET Side 1: 381 b Color: White Side 2: Shape: Round Other Popular Drug Imprint 25 222 U S 1097 110 EP 135 C 5 GG 26 Mucinex G 5008 RX616 U38 RX 901 SG 327 539 MP 511 logo and 2779 L78 CL14 SC 800 MAXALT TL 706 G 90 ATN TEVA 7592 MYLAN 5420 logo and 2577 WATSON 783 M 412 logo and 50 mg logo and 9 ANDRX 605 L468 C1 Sandoz 663 E42 b 701 logo and FHPC 400 H 2 W 1035 LH2