L_lactic_acid bmse000208 C3H6O3 LINE POINT HZ PPM INTENSITY REL_INT LABEL 1 4968 23294.63 185.342 85255408 24.418 1 2 20756 8954.44 71.245 228488944 65.441 2 3 27456 2869.77 22.833 351366720 100.634 3