1,4-NAPHTHOQUINONE, 2-CHLORO- 1,4-Naphthalenedione, 2-chloro- (9CI) 1010-60-2 2-Chloro-1,4-naphthoquinone 2-Chloronaphthoquinone 4-07-00-02425 (Beilstein Handbook Reference) BRN 1867045 EINECS 213-776-2 NSC 400597