The colour Index uses the classification Ingrain for a small group of phthalocyanine compounds once used for textile printing. 染料索引中定义原纱染色是小基团的酞氰化合物，其用于纺织品的印花。
The actual compound is considered to be a derivative or the parent compound. 把实际化合物看作母体化合物的衍生物。
