Pill Identification by Imprints: RX616 Home Pill Identification by Imprints: RX616 1 result DOXYCYCLINE MONO 100 MG CAP Side 1: RX616 Color: Blue Side 2: RX616 Shape: Oblong Other Popular Drug Imprint M L53 S 180 112 KU 487 KC H 149 IP 174 N 342 logo and 8 MYLAN 147 TL521 2 1 L734 LC 77 M 473 NP 12 L009 WPI M RE4 0397 logo and 345 VBZ 40 PA140 93 5528 M 745 54 328 CTI 143 GAS-X 3.5 54 327 U31 ex-lax M 573 OP150 TN 1 TE VA 54 210 54 346 2.5/500 RAPAMUNE 2 mg