Target metabolites beginning with the letter x

xan_e (Xanthine)
xdp_c (XDP)
xmp_c (Xanthosine 5'-phosphate)
xtp_c (XTP)
xtsn_e (Xanthosine)
xu5p__D_c (D-Xylulose 5-phosphate)
xu5p__D_h (D-Xylulose 5-phosphate)