Pill Identification by Imprints: MYLAN MT 21 Home Pill Identification by Imprints: MYLAN MT 21 1 result MEMANTINE HCL ER 21 MG CAPSULE Side 1: MYLAN MT 21 Color: Light Green Side 2: MYLAN MT 21 Shape: Oblong Other Popular Drug Imprint E 54 MF 3 GPI A5 G 150 mg Z C 0 2 5544 037 SB 4140 DISTA 3104 PA2120 N P PH L 36 GG 126 P-D GELUSIL 034 M 40 SS-1 44 452 S433 A 17 Tofranil-PM 125 mg KALI 2 LP79 WFHC AC 355 WATSON 235 E 101 CRESTOR 5 RI4 MP 445 logo and 115 MYLAN 6727 FL 145 M 2540 G 020 V251 K9 JSP 544 559