Pill Identification by Imprints: S 521 Home Pill Identification by Imprints: S 521 2 results CETIRIZINE HCL 10 MG TABLET Side 1: S 521 Color: White Side 2: Shape: Rectangular (Rounded End) CETIRIZINE HCL 10 MG TABLET Side 1: S 521 Color: White Side 2: Shape: Rectangular (Rounded End) Other Popular Drug Imprint 2011 N 343 BI BI 44-518 T 277 H P ED DM CZ 25 IP 464 WC 400mg COMTAN 316 568 100 mg C72 PFIZER 411 CARAFATE O 54 375 MYLAN 6900 2858 OTSUKA 45 mg or 15 mg L124 logo and 23 Rifampin 300 93 53 MAX FE OP ML 43 G 421 logo and 1112 839 L 128 IP 194 FLO S 369 8N M 1850 U7 or U13 Lopid logo and 3063
