1-Hydroxytrimazosin 1-Piperazinecarboxylic acid, 4-(4-amino-6,7,8-trimethoxy-2-quinazolinyl)-, 2,3-dihydroxy-2-methylpropyl ester 2-Hydroxy-2-hydroxymethylpropyl-4(4-amino-6,7,8-trimethoxy-2-quinazolinyl)-1-piperazine caboxylic acid 88321-10-2 CP 23,445 CP 23445