(4S)-6-Chlor-4-(cyclopropylethynyl)-3-((R)-1-phenylethyl)-4-(trifluormethyl)-3,4-dihydrochinazolin-2(1H)-on ###>(4S)-6-chloro-4-(cyclopropylethynyl)-3-((R)-1-phenylethyl)-4-(trifluoromethyl)-3,4-dihydroquinazolin-2(1H)-one