1(2H)-Naphthalenone, 3-carboxy-3,4-dihydro-4-methyl- 2-NAPHTHOIC ACID, 1-METHYL-4-OXO-1,2,3,4-TETRAHYDRO- 3-Naphthoic acid, 1,2,3,4-tetrahydro-4-methyl-1-oxo- 4-Methyl-1-tetralone-3-carboxylic acid 63979-17-9 USAF ND-55