- adenines11
- alanines11
- arginines13
- canines12
- cinchonines22
- conines12
- creatinines16
- cyanines15
- ethionines14
- feminines17
- guanines13
- methionines18
- mezzanines33
- nines7
- pennines14
- phenylalanines26
- phthalocyanines30
- pyronines16
- quinines20
- safranines15
- saponines14
- solanines12
- stanines10
- strychnines20
- thionines13
- threonines14
- triiodothyronines24
- venines13