Pill Identification by Imprints: CL 20 Home Pill Identification by Imprints: CL 20 1 result METHENAMINE HIPP 1 GM TABLET Side 1: CL 20 Color: White Side 2: Shape: Oblong Other Popular Drug Imprint P2 C 35 717 M 61 GX EF3 M 86 EXELON 6 mg HE1 I20 logo and 2907 S553 1122 WATSON 462 AN248 PhosLo AR 374 378 C148 CL 56 B 301 M 3 595 NP 2 190 L2 par 259 PH044 logo and 64 PLIVA cor 238 Y01 Durachol MYLAN 551 TEVA 7594 U37 GG 141 CL27 L428 N 77 D 5