Pill Identification by Imprints: G 421 Home Pill Identification by Imprints: G 421 3 results MIDODRINE HCL 2.5 MG TABLET Side 1: G 421 Color: White Side 2: Shape: Round MIDODRINE HCL 2.5 MG TABLET Side 1: G 421 Color: White Side 2: Shape: Round MIDODRINE HCL 2.5 MG TABLET Side 1: G 421 Color: White Side 2: Shape: Round Other Popular Drug Imprint V 24 Fentanyl 12.5 mcg/hr M D10 459 D 25 522 926 6 ZYLOPRIM 300 VIP101 192 FPI 375/20 E227 LL 253 GM 4 G456 S 127 MYLAN A3 441 CL14 CG L553 S406 U3761 PE 723 FL 1.5 or FL 3 1117 U38 H3647 54 349 cor 212 WW F5 U37 E 55 INCY ST 300 par 455 ROBAXIN 500 PP