Benzoic acid, 2-hydroxy-, 2-hydroxyethyl ester, mixt. with (4aS-(4aalpha,6aalpha,11balpha,13aR*,13balpha))-1,2,3,4,4a,5,6,6a,11b,13b-decahydro-4,4,6a,9-tetramethyl-13H-benzo(a)furo(2,3,4-mn)xanthen-11-ol