preferred_name: 7-cyano-7-carbaguanosine(15) in tRNA + guanine => guanosine(15) in tRNA + 7-cyano-7-deazaguanine
preferred_name_lc: 7-cyano-7-carbaguanosine(15) in trna + guanine => guanosine(15) in trna + 7-cyano-7-deazaguanine
label: 7-cyano-7-carbaguanosine(15) in tRNA + guanine => guanosine(15) in tRNA + 7-cyano-7-deazaguanine
label_lc: 7-cyano-7-carbaguanosine(15) in trna + guanine => guanosine(15) in trna + 7-cyano-7-deazaguanine