1,4-NAPHTHOQUINONE, 4a,5,8,8a-TETRAHYDRO- 1,4-Naphthalenedione, 4a,5,8,8a-tetrahydro- (9CI) 4a,5,8,8a-Tetrahydro-1,4-naphthoquinone 6271-40-5 NSC 36727