156340-45-3 Decahydro-4a-hydroxy-4-oxo-2-propyl-5-vinylquinoline-1-carboxylic acid phenyl ester Dhopvqp Phenyl 1,2alpha,3,4,4aalpha,5,6,7,8,8aalpha-decahydro-4a-hydroxy-4-oxo-2-propyl-5-vinylquinoline-1-carboxylate