The colour Index uses the classification Ingrain for a small group of phthalocyanine compounds once used for textile printing. 染料索引中定義原紗染色是小基團的酞氰化合物,其用於紡織品的印花。
The actual compound is considered to be a derivative or the parent compound. 把實際化合物看作母體化合物的衍生物。