Pill Identification by Imprints: E501 Home Pill Identification by Imprints: E501 4 results NICARDIPINE 20 MG CAPSULE Side 1: E501 Color: Light Blue Side 2: E501 Shape: Oblong NICARDIPINE 20 MG CAPSULE Side 1: E501 Color: Light Blue Side 2: E501 Shape: Oblong NICARDIPINE 20 MG CAPSULE Side 1: E501 Color: Light Blue Side 2: E501 Shape: Oblong NICARDIPINE 20 MG CAPSULE Side 1: E501 Color: Light Blue Side 2: E501 Shape: Oblong Other Popular Drug Imprint 3RP 54 311 AHI NL CCC 500 L233 Onset M0100 RI19 logo and 4357 logo and PCE MYLAN 6726 M945 901 ZC19 logo and 78 241 CL 58 GG 172 CP 406 S903 Macuvex ESL600 224 AR 787 ROBAXIN 750 par 725 CPC835 270/80 N150 253 or 306 0200 393 A 43 logo and 65 RX681 M121 MP 168 L432 1157 801 643