1-Phenanthrenecarboxylic acid, 1,2,3,4,4a,4b,5,6,10,10a-decahydro-1,4a-dimethyl-7-(1-methylethyl)-, (1R-(1alpha,4abeta,4balpha,10aalpha))-, sulfurized, reaction products with silver oxide 68784-68-9 EINECS 272-266-8