(4S,7R)-4,7-Methano-2H-indazole 4,7-M(2H)Idz 4,7-Methano-2H-indazole, 4,5,6,7-tetrahydro-7,8,8-trimethyl-, (4S)- 65529-87-5 7,8,8-Trimethyl-4,7-methano-2H-indazole