From adverse effect of the ultraviolet ray the person and the hair of the animal and, the below-mentioned formula in order to protect the skin (1),< Conversion 1 > (In formula, as for R1 and R4 becoming independent mutually, the hydrogen atom Carbon atom several alkyl group of 1 or 28 Carbon atom several alkoxy group of 1 or 28 Carbon atom several arukeniru basis of 2 or 28 Carbon atom several arukiniru basis of 2 or 28 Carbon atom several shikuroarukiru of 3 or 12 Carbon atom several shikuroarukeniru basis of 3 or 12 Carbon atom several aralkyl basis of 7 or 28 Carbon atom several hetero alkyl group of 1 or 20 Carbon atom several shikuroheteroarukiru of 3 or 12 Or carbon atom several displaying hetero aralkyl basis of 5 or 16 And the carbon atom several the alkyl group of 1 or 28, the carbon atom several the alkoxy group of 1 or 28, the carbon atom several the arukeniru basis and the carbon atom of 2 or 28 several the arukiniru basis of 2 or 28 non substitution being at least one carbon atom several the alkyl group of 1 or 5, the carbon atom several by the alkoxy group or hydroxyl group of 1 or 5 may be substituted As for R2 and R3 becoming independent mutually, the hydrogen atom Carbon atom several alkyl group of 1 or 28 Carbon atom several arukeniru basis of 2 or 28 Carbon atom several arukiniru basis of 2 or 22 Carbon atom several shikuroarukiru of 3 or 12 Carbon atom several shikuroarukeniru basis of 3 or 12 Carbon atom several aralkyl basis of 7 or 28 Carbon atom several hetero alkyl group of 1 or 20 Carbon atom several shikuroheteroarukiru of 3 or 12 Carbon atom several displaying hetero aralkyl basis of 5 or 16 And the carbon atom several the alkyl group of 1 or 28, the carbon atom several the alkoxy group of 1 or 28, the carbon atom several the arukeniru basis and the carbon atom of 2 or 28 several the arukiniru basis of 2 or 28 non substitution being at least one carbon atom several the alkyl group of 1 or 5, the carbon atom several by the alkoxy grou
