Pill Identification by Imprints: Z 4237 Home Pill Identification by Imprints: Z 4237 1 result NADOLOL 80 MG TABLET Side 1: Z 4237 Color: White Side 2: 80 Shape: Round Other Popular Drug Imprint C5 E 801 CL 37 100 3.5 P 25 LL 720 SZ 74 R 25 TOPAMAX AN058 KPI 117 M 0 15 18mg U35 E 55 ROCHE 0245 E448 L16 19 G 252 or 302 RSV 5 b 777 394 AP211 M 575 P212 KPI 284 PLIVA 397 721 1 logo YF logo and 103 CTI 116 HE MAX logo and 1112 M 4 CL NP 5 GX EX1 2 59 250 MG