CAS号 1207685-10-6 对应的化合物是 Diethoxypillar[5]arene。这种化合物是一个柱[5]芳烃的衍生物，其中的芳香环被两个乙氧基（ethoxy）取代。

CAS号 36305-51-8 对应的化合物是 Ethylviologen dichloride，通常也称为 Ethylviologen dichloride hexahydrate。这种化合物是乙基紫精的二氯化盐，含有两个氯离子。

Urea is a highly soluble organic compound formed in the liver from ammonia produced by the deamination of amino acids. It is the principal end product of protein catabolism and constitutes about one half of the total urinary solids.

Methacholine is a synthetic choline ester that acts as a non-selective muscarinic receptor agonist in the parasympathetic nervous system but has little effects on the nicotinic receptors.