Pill Identification by Imprints: RD 53 Home Pill Identification by Imprints: RD 53 3 results SIROLIMUS 1 MG TABLET Side 1: RD 53 Color: White Side 2: Shape: Triangular SIROLIMUS 1 MG TABLET Side 1: RD 53 Color: White Side 2: Shape: Triangular SIROLIMUS 1 MG TABLET Side 1: RD 53 Color: White Side 2: Shape: Triangular Other Popular Drug Imprint A 0.5 257 TL050 MYLAN 2045 54 521 J1 OMEPRAZOLE 10 mg AX4 44 615 or 44 544 MYLAN MT 7 S3 LES200 ALO200 P 400 Sandoz 663 RG 54 734 Y 08 862 123 518 287 logo and 4359 L195 C148 CL 40 ZA47 FHI 1048 MERICON ZA-11 RI1 Novel 660 E 38 US ProV GG 772 SZ245 H 106 SG 329 5013 V ML 4