Monoazo pigments

摘要

PCT No. PCT/GB95/02833 Sec. 371 Date Jul. 17, 1997 Sec. 102(e) Date Jul. 17, 1997 PCT Filed Dec. 5, 1995 PCT Pub. No. WO96/22334 PCT Pub. Date Jul. 25, 1996An azo pyrazolone compound of the formula: as a pigment.