Pill Identification by Imprints: M C4 Home Pill Identification by Imprints: M C4 1 result CAPTOPRIL 100 MG TABLET Side 1: M C4 Color: White Side 2: Shape: Round Other Popular Drug Imprint GDC 103 PVK 250 B 293 RD27 CN 1 TPV 250 P 2 813 NCH 0810 KU 106 L 8 NL 680 NP 10 CIFEREX PAR 821 TV 2 1/2 A402 928 b 702 Q50 I 07 T546 J95 HP 43 RX 7 logo and 19 ucb 750 L49 N P 2101 V 395 TriStart logo and 2577 E 132 U30 PFIZER 412 SEROQUEL 100 E122 ZC 81 974