Pill Identification by Imprints: SIL 20 Home Pill Identification by Imprints: SIL 20 3 results SILDENAFIL 20 MG TABLET Side 1: APO Color: White Side 2: SIL 20 Shape: Round SILDENAFIL 20 MG TABLET Side 1: APO Color: White Side 2: SIL 20 Shape: Round SILDENAFIL 20 MG TABLET Side 1: APO Color: White Side 2: SIL 20 Shape: Round Other Popular Drug Imprint E 132 DAN 5642 IP 53 G71 ZLP PH044 GX EF3 54 647 U 787 FX 75 F7 MERRELL 37 S251 54 757 VM Fentanyl 100 mcg/hr Librax Y Y TREXIMET Z8 F 75 B4 C X592 A-294 L124 CL 024 P51 McNEIL GG 336 logo and 257 GG 21 E 4 S476 LI 5 E 0933 1122 1122 ZA23 1080 G 5008 APO900