P3H4T1H4A1L1O1C3Y4A1N1I1N1E1S1
28 points
PHTHALOCYANINES is validvalid
PHTHALOCYANINE,
PHTHALOCYANINE, any of a group of green and blue organic colouring matters of great fastness and brilliance, also PHTHALOCYANIN
PHTHALOCYANINE,
PHTHALOCYANINE, any of a group of green and blue organic colouring matters of great fastness and brilliance, also PHTHALOCYANIN