Q.33 Absolute configuration - R, S nomenclature - (Text Q5.23)
By making an elbow as the lowest order S, the middle finger L, the forefinger M, and the thumb S, consider how to judge R and S configuration by using the hand.
By making an elbow as the lowest order S, the middle finger L, the forefinger M, and the thumb S, consider how to judge R and S configuration by using the hand.