Pill Identification by Imprints: STI 021 Home Pill Identification by Imprints: STI 021 1 result CYCLOPHOSPHAMIDE 25 MG CAPSULE Side 1: STI 021 Color: Blue Side 2: Shape: Oblong Other Popular Drug Imprint G 3741 PC20 cpc43 GG 108 C 25 KX52 ZA-51 ENA L340 TEVA 7589 1 2 243 US 12 T 189 I 135 AN 545 1252 G 4960 logo and 48 LCE 50 212 or 279 WW 66 M161 Z 66 1205 M-541 UNISOM GG 338 5687 logo and 83 ZESTRIL 20 112 ZC19 WATSON 582 L751 NPR LE 500 MYLAN 335 HP51 F 84 MYLAN AC I 02