TETRACENE 92-24-0 Benz(b)anthracene CCRIS 1183 Chrysogen EINECS 202-138-9 Naphthacene Rubene Tetracene (hydrocarbon) SMR000059178 benz[b]anthracene CHEBI:32600 B2403_ALDRICH 45767_RIEDEL MLS000028646 2,3-Benzanthracene 2,3-Benzanthrene