Pill Identification by Imprints: 555 606 Home Pill Identification by Imprints: 555 606 3 results MEGESTROL 20 MG TABLET Side 1: 555 606 Color: White Side 2: b Shape: Round MEGESTROL 20 MG TABLET Side 1: 555 606 Color: White Side 2: b Shape: Round MEGESTROL 20 MG TABLET Side 1: 555 606 Color: White Side 2: b Shape: Round Other Popular Drug Imprint AC 358 logo and 2780 CPL 3033 T91 13 31 S407 WPI 3630 TMC B 8 54 029 L18 MP 66 L145 EM3 93 41 9 4 MP 50 247 M E 170 VIP103 logo and 1000-20 54 553 E 84 228 RX 12 EP 134 R333 ZE66 cor FS GX CE2 743 logo and 2666 logo and 342 KPI 241 BP A402 NL 791 T546