Pill Identification by Imprints: M 64 Home Pill Identification by Imprints: M 64 1 result ATENOLOL-CHLORTHALIDONE 100-25 Side 1: M 64 Color: White Side 2: Shape: Round Other Popular Drug Imprint V356 PA46 V16 SYNTHROID K106 V 50 ZC 25 LL 252 CITRACAL WC 402 C83 M 200 ZESTORETIC M73 f100 4891 V500 93 321 logo and 2416 IP 178 logo and 241 W 783 M 228 573 PFIZER 411 MYLAN A 215 b 12 EL501 logo and 151 WP 0321 b 98 WATSON 411 RN5 V403 U 136 ED DM Niraparib logo and 242 796