Some of the symbols used in Chinese linguistics are quite hard to find, so here I have collected some non-standard IPA symbols for these.
- The alveolo-palatal stops and liquid舌面前塞音和边音: ȡ ȶ ȵ ȴ
- The apical vowels舌尖元音: ɿ ʅ ʮ ʯ
- The low central vowel 低央元音: ᴀ
You can find a list of non-standard IPA symbols including the ones listed above on wikipedia at here.
If you need any one of these symbols, you can simply copy and paste.
Alternatively, before I found these symbols on line, I also made some pictures of the alveolo-palatal stops. I have attached them here as well.