(4S,7R)-4,7-Methano-1H-indazole 4,7-Methano-1H-indazole, 4,5,6,7-tetrahydro-7,8,8-trimethyl-, (4S)- 4,7-Midz 7,8,8-Trimethyl-4,7-methano-1H-indazole 72345-25-6