2-Azaspiro[3.3]heptane-6,6-dicarboxylic acid, 2-[(4-Methylphenyl)sulfonyl]-, 6,6-bis(1-Methylethyl) ester

2-Azaspiro[3.3]heptane-6,6-dicarboxylic acid, 2-[(4-Methylphenyl)sulfonyl]-, 6,6-bis(1-Methylethyl) ester · CAS 1237542-10-7