Pill Identification by Imprints: 421 Home Pill Identification by Imprints: 421 10 results LISINOPRIL 30 MG TABLET Side 1: IG Color: Red Side 2: 421 Shape: Round LISINOPRIL 30 MG TABLET Side 1: IG Color: Red Side 2: 421 Shape: Round LISINOPRIL 30 MG TABLET Side 1: IG Color: Red Side 2: 421 Shape: Round LISINOPRIL 30 MG TABLET Side 1: IG Color: Red Side 2: 421 Shape: Round METHYLDOPA 500 MG TABLET Side 1: MYLAN Color: Beige Side 2: 421 Shape: Oblong METHYLDOPA 500 MG TABLET Side 1: MYLAN Color: Beige Side 2: 421 Shape: Oblong METHYLDOPA 500 MG TABLET Side 1: MYLAN Color: Beige Side 2: 421 Shape: Oblong PAROXETINE HCL 10 MG TABLET Side 1: 421 Color: Yellow Side 2: Shape: Oblong PAROXETINE HCL 10 MG TABLET Side 1: 421 Color: Yellow Side 2: Shape: Oblong PAROXETINE HCL 10 MG TABLET Side 1: 421 Color: Yellow Side 2: Shape: Oblong Other Popular Drug Imprint MYLAN 210 SL 50 M 221 PROTONIX N 175 NT 150 557 ZE 65 K 76 GDC 122 HLP 80 LK 50 202 E71 139 SLOW- MAG M-541 35 86 Q150 38AV M 542 LH20 44 CL 1 5 300 Z or M AN70 HP 227 A 117 GS XJG M RE2 logo and 4358 E 74 logo and 0305 86 375/20 M T12 M MC2 CM3 SCI 501