chromo-isomer

例句：

1. 1. The chromo-isomers of the pigment have different absorption spectra.
   这种色素的色异构体具有不同的吸收光谱。
2. 2. The chromo-isomers are used in the synthesis of dyes.
   这些色异构体用于染料的合成。
3. 3. The chromo-isomers exhibit unique properties that make them useful in various applications.
   这些色异构体展现出独特的性质，使其在各种应用中非常有用。