Pill Identification by Imprints: M-541 Home Pill Identification by Imprints: M-541 1 result CIMETIDINE 800 MG TABLET Side 1: M-541 Color: Green Side 2: Shape: Oval Other Popular Drug Imprint 257 Organon I1 N20 596 CR 750 T536 M F4 par 022 EL501 RX693 AN 675 MONODOX 50 308 AV GG 962 C C M 1743 U-S 1 WPI 3699 AN901 20 L898 MYLAN 6120 C57 V16 81 231 and logo D15 POT 40 P50 316 ZC 75 RX724 P L MYLAN 232 IP 174 PA 916 G 70 9 4 I 135 MP 8