Classification Nomenclature Fused-heterocycles N quinoline iso-quinoline* Indole P urine 喹啉 异喹啉 吲哚 嘌呤 蝶啶 口丫啶 吩嗪 pteridine acridine phenazine H N carbazole 咔唑 Phenothiazine 吩噻嗪 Fused-heterocycles Classification & Nomenclature quinoline 喹啉 iso-quinoline* 异 喹啉 Purine* 嘌呤 1 5 8 2 3 4 6 7 N 1 2 3 5 4 6 7 8 N N N N N H 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 N N 10 1 2 3 4 5 6 7 N H Indole 吲哚 1 2 3 5 4 6 7 8 9 N 10 1 5 8 2 3 4 6 7 N N N N 1 5 8 2 3 4 6 7 9 N H 1 2 3 4 8 5 6 7 9 10 N S H 蝶啶 pteridine 口丫啶 acridine 吩嗪 phenazine carbazole 咔唑 Phenothiazine 吩噻嗪