1,4-Naphthalenedione, 4a,5,8,8a-tetrahydro- 1,4-Naphthoquinone, 4a,5,8,8a-tetrahydro- 4a,5,8,8a-Tetrahydro-1,4-naphthoquinone 6271-40-5 NSC36727 WLN: L66 BV EV CU HUTJ