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 WATSON 414 ZC 82 0115 2790 SINGULAIR E502 06/012D AR 100 AA 79 IP 103 ISA PZ 250 54 199 CPC 1325 Y 43 USB 001 893 61 BP 648 Y2 or P ZESTRIL 20 226 or 291 194 H125 54 144 AA69 S2 ZOLOFT 2 56 202 or 222 MAX AN 521 15 mg 303 ELP 2 1/2 GG N7 379 2631 B-635 ZF 43 logo and 28