125534-17-0 16761-34-5 2H-1-Benzopyran-2-one, 7-(2H-naphtho(1,2-d)triazol-2-yl)-3-phenyl- 3-Phenyl-7-(1,2-2H-naphthotriazolyl)coumarin 3333-62-8 63590-17-0 7-(2H-Naphtho(1,2-d)triazol-2-yl)-3-phenyl-2-benzopyrone 73105-32-5 74981-18-3 EINECS 222-067-7