2-Tropidinemethyl alpha-isopropyl-alpha-phenylglycolate 93101-67-8 MANDELIC ACID, alpha-ISOPROPYL-, (2,3-DIDEHYDRO-1-alpha-H,5-alpha-H-TROPAN-2-YL) Mandelic acid, alpha-isopropyl-, (2,3-didehydro-1-alpha-H,5-alpha-H-tropan-2-yl)methyl ester NSC 263556