Pill Identification by Imprints: 536 Home Pill Identification by Imprints: 536 1 result POTASSIUM CITRATE ER 5 MEQ TAB Side 1: 536 Color: Tan Side 2: Shape: Round Other Popular Drug Imprint IP 272 US 10 N120 D3 or P CL27 AL 21 Z4 T 189 HP 512 SZ441 ESL200 GG 124 cardizem CD 360 mg 80 mg WPI 1118 Alavert MYLAN DA 10 4 Z11 749 CPC WRF 10 W D 92 T 20 L15 465 RD 54 R720 W 787 K 101 RP 115 TL519 0631 50mg AN 512 CDT 251 Z315 15 mg L75 BVF 240 cardizem CD 300 mg MP 178