This 4-page study note document covers organic chemistry isomerism in a clean, handwritten notebook design using realistic blue-ink fonts, ruled paper backgrounds, and functional sticky-note callouts. It breaks down the core concepts, comparing structural isomers and stereoisomers through clear comparison tables, a master classification mind map, and a step-by-step problem-solving framework. Key topics include Degree of Unsaturation shortcuts, detailed breakdowns of chain, position, functional, ...