Pill Identification by Imprints: R531 Home Pill Identification by Imprints: R531 1 result DIVALPROEX SOD DR 500 MG TAB Side 1: R531 Color: Light Pink Side 2: Shape: Oblong Other Popular Drug Imprint 5 VALIUM W 29 31 81 APO 021 364 AN 323 K75 MERRELL 37 54 017 2080 M 171 LILLY 4165 V250 11.4 54 352 M250 ZF 43 4209 EP 905 MCR 313 par 221 RX 901 54 628 N 100 AN248 Benadryl M 572 B M T 5/500 356 logo and 8 E 215 T33 logo and 575 CIS 28 AP043 I 53 CORTEF 20 3 Meta